{"id":5633,"date":"2026-02-24T10:51:56","date_gmt":"2026-02-24T02:51:56","guid":{"rendered":"https:\/\/www.slewbearingtec.com\/?p=5633"},"modified":"2026-02-26T16:45:36","modified_gmt":"2026-02-26T08:45:36","slug":"couronne-dorientation-pour-grue-a-tour","status":"publish","type":"post","link":"https:\/\/www.slewbearingtec.com\/fr\/couronne-dorientation-pour-grue-a-tour-html","title":{"rendered":"Couronne d'orientation pour grue \u00e0 tour"},"content":{"rendered":"<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block PcOnly\" id=\"\" style=\"background-color:#f5f7fa;padding-bottom:30px;padding-top:100px;\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in\" style=\"\">\n<div class=\"wp-block-column block_layout_in\">\n<div class=\"wp-block-columns productAmainimage\">\n<div class=\"wp-block-column\">\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p\" style=\"font-size:15px;line-height:28px;color:#343741;padding:10px 0px;\">\n<div class=\"wp-block-column\"><h1 class=\"wp-block-heading has-themecolor-1-color has-text-color has-link-color\" id=\"product-H-H1\" style=\"font-size:24px;text-transform:capitalize\"><span class=\"ez-toc-section\" id=\"Tower_Crane_Slewing_Ring_Get_Your_Best_Quote\"><\/span>Couronne d'orientation pour grue \u00e0 tour Obtenez votre meilleur devis<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p  productwzpara\" style=\"font-size:15px;line-height:27px;color:#666666;\">\n<div class=\"wp-block-column\">\n<p style=\"font-size:15px\">Fabriqu\u00e9 en acier forg\u00e9 42CrMo de haute puret\u00e9, combin\u00e9 \u00e0 un processus de durcissement par induction en profondeur, pour garantir que le roulement d'orientation de la grue \u00e0 tour dans des conditions de d\u00e9marrage et d'arr\u00eat fr\u00e9quents et de charge \u00e9lev\u00e9e de la r\u00e9sistance \u00e0 l'usure du chemin de roulement et de la r\u00e9sistance \u00e0 la rupture de la dent. Slewbearingtec est une usine source avec des capacit\u00e9s de fabrication compl\u00e8tes, \u00e9liminant les diff\u00e9rences commerciales, prenant en charge la personnalisation d'une pi\u00e8ce unique et la production de masse, et vous fournissant des prix de vente directs comp\u00e9titifs et une assurance qualit\u00e9 tra\u00e7able.<\/p>\n\n\n\n<div style=\"height:1px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div style=\"height:1px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading has-themecolor-1-color has-text-color has-link-color wp-elements-848ca65f4efe8658e1300274f4875f27\"><\/h2>\n\n\n\n<div style=\"height:15px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<style>\n    \/* \u5bb9\u5668\u6837\u5f0f *\/\n    .canshu-wrapper {\n        width: 100%;\n        max-width: 100%;\n        margin: 0 auto;\n        box-sizing: border-box;\n    }\n    \n    .canshu-wrapper * {\n        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.canshu-text-val {\n        color: orange !important;\n    }\n    \n    \/* \u624b\u673a\u7aef\u9002\u914d\uff1a\u5982\u679c\u4e0d\u5e0c\u671b\u624b\u673a\u4e0a\u4e00\u884c3\u4e2a\u592a\u6324\uff0c\u53ef\u4ee5\u52a0\u4e2a\u5a92\u4f53\u67e5\u8be2\u53d8\u62102\u4e2a\u62161\u4e2a *\/\n    \/* \u4f8b\u5982\uff1a\u5c0f\u4e8e 600px \u65f6\u4e00\u884c 2 \u4e2a *\/\n    @media (max-width: 600px) {\n        .canshu-list {\n            grid-template-columns: repeat(2, 1fr);\n        }\n    }\n<\/style>\n\n<!-- HTML \u7ed3\u6784\uff1a\u4fdd\u75599\u7ec4 -->\n<div class=\"canshu-wrapper\">\n    <div class=\"canshu-list\" id=\"canshu-list-id\">\n        \n        <!-- 1 -->\n        <div class=\"canshu-group\">\n            <span class=\"canshu-text-label\">Acier forg\u00e9 42CrMo \/ 50Mn<\/span>\n            <span class=\"canshu-text-val\">Mat\u00e9riau des bagues int\u00e9rieure et ext\u00e9rieure<\/span>\n        <\/div>\n\n        <!-- 2 -->\n        <div class=\"canshu-group\">\n            <span class=\"canshu-text-label\">55-62 HRC<\/span>\n            <span class=\"canshu-text-val\">Duret\u00e9 de trempe des chemins de roulement<\/span>\n        <\/div>\n\n        <!-- 3 -->\n        <div class=\"canshu-group\">\n            <span class=\"canshu-text-label\">3,5 mm.<\/span>\n            <span class=\"canshu-text-val\">Profondeur effective de la couche de durcissement<\/span>\n        <\/div>\n\n        <!-- 4 -->\n        <div class=\"canshu-group\">\n            <span class=\"canshu-text-label\">engrenage interne\/engrenage externe\/pas de dent<\/span>\n            <span class=\"canshu-text-val\">Structure de la dent<\/span>\n        <\/div>\n\n        <!-- 5 -->\n        <div class=\"canshu-group\">\n            <span class=\"canshu-text-label\">ISO 7-8<\/span>\n            <span class=\"canshu-text-val\">Classe de pr\u00e9cision des engrenages<\/span>\n        <\/div>\n\n        <!-- 6 -->\n        <div class=\"canshu-group\">\n            <span class=\"canshu-text-label\">caoutchouc nitrile<\/span>\n            <span class=\"canshu-text-val\">Mat\u00e9riau du joint<\/span>\n        <\/div>\n\n        <!-- 7 -->\n        <div class=\"canshu-group\">\n            <span class=\"canshu-text-label\">800mm - 3500mm<\/span>\n            <span class=\"canshu-text-val\">Diam\u00e8tre ext\u00e9rieur<\/span>\n        <\/div>\n\n        <!-- 8 -->\n        <div class=\"canshu-group\">\n            <span class=\"canshu-text-label\">15 - 25 jours<\/span>\n            <span class=\"canshu-text-val\">D\u00e9lai de livraison<\/span>\n        <\/div>\n\n        <!-- 9 -->\n        <div class=\"canshu-group\">\n            <span class=\"canshu-text-label\"><\/span>\n            <span class=\"canshu-text-val\"><\/span>\n        <\/div>\n\n    <\/div>\n<\/div>\n\n<!-- \u811a\u672c -->\n<script>\n(function() {\n    var listObj = document.getElementById('canshu-list-id');\n    \n    if (listObj) {\n        var items = 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target=\"_self\"><\/a><\/div><\/div><\/div><\/div>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n <div class=\"block_breadcrumbs\"><div class=\"breadcrumbs\"><nav> <a itemprop=\"breadcrumb\" href=\"https:\/\/www.slewbearingtec.com\/fr\">Accueil<\/a> \/ <\/nav><\/div><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column\">\n<div class=\"wp-block-columns\">\n<div class=\"wp-block-column\">\n<div style=\"height:25px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-cover is-light productwzimage\" style=\"min-height:540px;aspect-ratio:unset;\"><img loading=\"lazy\" decoding=\"async\" width=\"1002\" height=\"789\" class=\"wp-block-cover__image-background wp-image-5624 size-full\" alt=\"Couronne d&#039;orientation pour grue \u00e0 tour \" src=\"https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2026\/02\/image-4.png\" data-object-fit=\"cover\" srcset=\"https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2026\/02\/image-4.png 1002w, https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2026\/02\/image-4-300x236.png 300w, https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2026\/02\/image-4-768x605.png 768w, https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2026\/02\/image-4-15x12.png 15w\" sizes=\"auto, (max-width: 1002px) 100vw, 1002px\" \/><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim-0 has-background-dim\" style=\"background-color:#f1f1f1\"><\/span><div class=\"wp-block-cover__inner-container\">\n<p class=\"has-text-align-center has-large-font-size\"><\/p>\n<\/div><\/div>\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div><div class=\"layout_badh\"><\/div><\/section>\n\n\n\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block PcOnly\" id=\"\" style=\"height:300px;box-sizing: border-box;width: 100%;\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in\" style=\"\">\n<div class=\"wp-block-column block_layout_in\">\n<div style=\"height:64px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center has-monte-white-color has-text-color has-link-color has-medium-font-size wp-elements-5fd12f5e07b7a2be257946bd67d69520\" style=\"text-transform:capitalize\"><span class=\"ez-toc-section\" id=\"Our_products\"><\/span>Nos produits<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"has-text-align-left has-monte-white-color has-text-color has-link-color wp-elements-6fda6fe47cb6f3718d1d0810afdb3b9d\"><\/p>\n\n\n\n<p class=\"has-text-align-center has-monte-white-color has-text-color has-link-color wp-elements-c48c7daa5c52204f9ca8e42874676801\"><\/p>\n<\/div>\n<\/div><div class=\"layout_badh\"><div class=\"shizhezhao\" style=\"opacity:0.58;background-color:#000000;\"><\/div><div class=\"PcOnly themepark-block_layout_ba lazyload swiper-lazy\" style=\"background-repeat:no-repeat;background-size:cover;background-position:center;\" data-background=\"https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2026\/01\/image-3-10.jpg\"><\/div><\/div><\/section>\n\n\n\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block PcOnly\" id=\"\" style=\"padding-bottom:66px;padding-top:40px;\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in clomnnone\" style=\"\">\n<div class=\"wp-block-column block_layout_in\">\n<h2 class=\"wp-block-heading has-text-align-center product-H-H2 has-themecolor-1-color has-text-color has-link-color has-medium-font-size wp-elements-7f21d9100067b9e8cf3adf6e2111bdde\" style=\"text-transform:capitalize\"><span class=\"ez-toc-section\" id=\"Tower_Crane_Slewing_Ring_Characteristics\"><\/span>Caract\u00e9ristiques des couronnes d'orientation des grues \u00e0 tour<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-columns\">\n<div class=\"wp-block-column\">\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block undefined\" id=\"maxw\" style=\"\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in clomnsmal  clomnnone\" style=\"\">\n<div class=\"wp-block-column block_layout_in\">\n<div class=\"wp-block-columns\">\n<div class=\"wp-block-column\">\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p  blog-jiange\" style=\"font-size:14px;line-height:28px;color:#211c1c;padding:20px 30px;\">\n<div class=\"wp-block-column\">\n<div class=\"wp-block-columns\">\n<div class=\"wp-block-column\" style=\"flex-basis:10%\">\n<div style=\"height:22px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img decoding=\"async\" src=\"https:\/\/www.keleeclean.com\/wp-content\/uploads\/2025\/12\/gear.png\" alt=\"\" class=\"wp-image-5639\" style=\"width:32px\"><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-column\">\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h4 class=\"wp-block-heading has-text-align-left has-themecolor-1-color has-text-color has-link-color has-normal-font-size wp-elements-f22f9f727bb1ef956f2a71f8c05d9769\"><span class=\"ez-toc-section\" id=\"Optimized_heat_treatment_process_of_raceway\"><\/span>Optimisation du processus de traitement thermique du chemin de roulement<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p class=\"has-text-align-left\">Gr\u00e2ce \u00e0 la technologie de trempe par chauffage par induction \u00e0 moyenne fr\u00e9quence, la duret\u00e9 du chemin de roulement est strictement contr\u00f4l\u00e9e entre 55 et 62 HRC, et la profondeur de la couche durcie est sup\u00e9rieure \u00e0 3,5 mm. Ce processus emp\u00eache efficacement le d\u00e9collement et la d\u00e9formation plastique du chemin de roulement en cas de contact avec des contraintes \u00e9lev\u00e9es, et la dur\u00e9e de vie est prolong\u00e9e de plus de 40% par rapport aux produits de trempe superficielle ordinaires.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div><div class=\"layout_badh\"><\/div><\/section>\n<\/div>\n\n\n\n<div class=\"wp-block-column\">\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block undefined  productAcharacter\" id=\"maxw\" style=\"\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in clomnsmal  clomnnone\" style=\"\">\n<div class=\"wp-block-column block_layout_in\">\n<div class=\"wp-block-columns\">\n<div class=\"wp-block-column\">\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p  blog-jiange\" style=\"font-size:14px;line-height:28px;color:#211c1c;padding:20px 30px;\">\n<div class=\"wp-block-column\">\n<div class=\"wp-block-columns\">\n<div class=\"wp-block-column\" style=\"flex-basis:10%\">\n<div style=\"height:22px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img decoding=\"async\" src=\"https:\/\/www.keleeclean.com\/wp-content\/uploads\/2025\/12\/gear.png\" alt=\"\" class=\"wp-image-5639\" style=\"width:32px\"><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-column\">\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h4 class=\"wp-block-heading has-text-align-left has-themecolor-1-color has-text-color has-link-color has-normal-font-size wp-elements-1e00349a40da6e2f066def66d5b8f6f9\"><span class=\"ez-toc-section\" id=\"High_impact_gear_design\"><\/span>Conception de l'engrenage \u00e0 haute r\u00e9sistance aux chocs<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p class=\"has-text-align-left\">Compte tenu de l'impact inertiel consid\u00e9rable de la rotation de la grue \u00e0 tour, nous effectuons un traitement de trempe de la surface de la dent de l'engrenage ou un traitement de trempe et de revenu. En optimisant le rayon du cong\u00e9 de la racine et la correction de la forme de la dent, la concentration des contraintes \u00e0 la surface de la dent est \u00e9limin\u00e9e et le risque de rupture de la dent peut \u00eatre r\u00e9duit \u00e0 moins de 0,1%, m\u00eame dans des conditions de charge de vent maximale et d'arr\u00eat d'urgence.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div><div class=\"layout_badh\"><\/div><\/section>\n<\/div>\n\n\n\n<div class=\"wp-block-column\">\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block undefined\" id=\"maxw\" style=\"\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in clomnsmal  clomnnone\" style=\"\">\n<div class=\"wp-block-column block_layout_in\">\n<div class=\"wp-block-columns\">\n<div class=\"wp-block-column\">\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p  blog-jiange\" style=\"font-size:14px;line-height:28px;color:#211c1c;padding:20px 30px;\">\n<div class=\"wp-block-column\">\n<div class=\"wp-block-columns\">\n<div class=\"wp-block-column\" style=\"flex-basis:10%\">\n<div style=\"height:22px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img decoding=\"async\" src=\"https:\/\/www.keleeclean.com\/wp-content\/uploads\/2025\/12\/gear.png\" alt=\"\" class=\"wp-image-5639\" style=\"width:32px\"><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-column\">\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h4 class=\"wp-block-heading has-text-align-left has-themecolor-1-color has-text-color has-link-color has-normal-font-size wp-elements-12ec613d410a587a0327833f7b2ba506\"><span class=\"ez-toc-section\" id=\"Precision_Grinding_Reduces_Gap_Wear\"><\/span>La rectification de pr\u00e9cision r\u00e9duit l'usure de l'entrefer<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p class=\"has-text-align-left\">Tous les roulements d'orientation des grues \u00e0 tour sont rectifi\u00e9s avec pr\u00e9cision avant de quitter l'usine afin de contr\u00f4ler le jeu axial et radial dans la moiti\u00e9 de la tol\u00e9rance standard de l'industrie. La coordination de haute pr\u00e9cision r\u00e9duit consid\u00e9rablement l'amplitude de balancement du bras de la tour, am\u00e9liore la pr\u00e9cision de positionnement de l'op\u00e9ration de levage et r\u00e9duit les dommages caus\u00e9s par la charge d'impact \u00e0 la bille interne.<\/p>\n\n\n\n<p class=\"has-text-align-left\"><\/p>\n\n\n\n<p class=\"has-text-align-left\"><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div><div class=\"layout_badh\"><\/div><\/section>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns\">\n<div class=\"wp-block-column\">\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block undefined  productAcharacter\" id=\"maxw\" style=\"\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in clomnsmal  clomnnone\" style=\"\">\n<div class=\"wp-block-column block_layout_in\">\n<div class=\"wp-block-columns\">\n<div class=\"wp-block-column\">\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p  blog-jiange\" style=\"font-size:14px;line-height:28px;color:#211c1c;padding:20px 30px;\">\n<div class=\"wp-block-column\">\n<div class=\"wp-block-columns\">\n<div class=\"wp-block-column\" style=\"flex-basis:10%\">\n<div style=\"height:22px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img decoding=\"async\" src=\"https:\/\/www.keleeclean.com\/wp-content\/uploads\/2025\/12\/gear.png\" alt=\"\" class=\"wp-image-5639\" style=\"width:32px\"><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-column\">\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h4 class=\"wp-block-heading has-text-align-left has-themecolor-1-color has-text-color has-link-color has-normal-font-size wp-elements-d800189d755db89f92b59d8afec13336\"><span class=\"ez-toc-section\" id=\"Reinforced_sealing_system\"><\/span>Syst\u00e8me d'\u00e9tanch\u00e9it\u00e9 renforc\u00e9<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p class=\"has-text-align-left\">\u00c9tant donn\u00e9 que la grue \u00e0 tour travaille en plein air, dans un environnement poussi\u00e9reux et tr\u00e8s humide tout au long de l'ann\u00e9e, nous sommes \u00e9quip\u00e9s d'une bande d'\u00e9tanch\u00e9it\u00e9 \u00e0 double l\u00e8vre antivieillissement. Cette conception permet d'emp\u00eacher efficacement l'eau de pluie et la poussi\u00e8re de construction d'envahir le chemin de roulement, d'\u00e9viter la perte de graisse, de prolonger le cycle de maintenance d'une fois par semaine \u00e0 une fois toutes les deux semaines, et de r\u00e9duire consid\u00e9rablement les co\u00fbts de maintenance.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div><div class=\"layout_badh\"><\/div><\/section>\n<\/div>\n\n\n\n<div class=\"wp-block-column\">\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block undefined\" id=\"maxw\" style=\"\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in clomnsmal  clomnnone\" style=\"\">\n<div class=\"wp-block-column block_layout_in\">\n<div class=\"wp-block-columns\">\n<div class=\"wp-block-column\">\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p  blog-jiange\" style=\"font-size:14px;line-height:28px;color:#211c1c;padding:20px 30px;\">\n<div class=\"wp-block-column\">\n<div class=\"wp-block-columns\">\n<div class=\"wp-block-column\" style=\"flex-basis:10%\">\n<div style=\"height:22px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img decoding=\"async\" src=\"https:\/\/www.keleeclean.com\/wp-content\/uploads\/2025\/12\/gear.png\" alt=\"\" class=\"wp-image-5639\" style=\"width:32px\"><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-column\">\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h4 class=\"wp-block-heading has-text-align-left has-themecolor-1-color has-text-color has-link-color has-normal-font-size wp-elements-c3777aa62c543cfa1079234f11b861d2\"><span class=\"ez-toc-section\" id=\"Strict_inspection_of_raw_materials\"><\/span>Inspection stricte des mati\u00e8res premi\u00e8res<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p class=\"has-text-align-left\">Chaque \u00e9bauche de forgeage est soumise \u00e0 une d\u00e9tection des d\u00e9fauts par ultrasons 100% avant d'\u00eatre trait\u00e9e, afin de garantir l'absence de d\u00e9fauts tels que des fissures, des pores ou des inclusions de scories dans le mat\u00e9riau. \u00c0 partir de la source, la d\u00e9faillance structurelle catastrophique caus\u00e9e par la fatigue des mat\u00e9riaux est \u00e9limin\u00e9e et la s\u00e9curit\u00e9 structurelle de la grue \u00e0 tour est garantie tout au long de son cycle de vie.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div><div class=\"layout_badh\"><\/div><\/section>\n<\/div>\n\n\n\n<div class=\"wp-block-column\">\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block undefined  productAcharacter\" id=\"maxw\" style=\"\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in clomnsmal  clomnnone\" style=\"\">\n<div class=\"wp-block-column block_layout_in\">\n<div class=\"wp-block-columns\">\n<div class=\"wp-block-column\">\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p  blog-jiange\" style=\"font-size:14px;line-height:28px;color:#211c1c;padding:20px 30px;\">\n<div class=\"wp-block-column\">\n<div class=\"wp-block-columns\">\n<div class=\"wp-block-column\" style=\"flex-basis:10%\">\n<div style=\"height:22px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img decoding=\"async\" src=\"https:\/\/www.keleeclean.com\/wp-content\/uploads\/2025\/12\/gear.png\" alt=\"\" class=\"wp-image-5639\" style=\"width:32px\"><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-column\">\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h4 class=\"wp-block-heading has-text-align-left has-themecolor-1-color has-text-color has-link-color has-normal-font-size wp-elements-ebe8a6102aa1dff77a8d6805b2747024\"><span class=\"ez-toc-section\" id=\"Comprehensive_anti-corrosion_coating\"><\/span>Rev\u00eatement anticorrosion complet<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p class=\"has-text-align-left\">La surface ext\u00e9rieure adopte le double syst\u00e8me de protection d'un appr\u00eat \u00e9poxy riche en zinc et d'une couche de finition en polyur\u00e9thane, et l'\u00e9paisseur du film de peinture est sup\u00e9rieure \u00e0 120 microns. Apr\u00e8s 480 heures d'essais au brouillard salin, le rev\u00eatement peut r\u00e9sister efficacement aux pluies acides et \u00e0 la corrosion atmosph\u00e9rique marine, ce qui garantit la durabilit\u00e9 \u00e0 long terme du produit dans les zones c\u00f4ti\u00e8res ou de pollution industrielle.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div><div class=\"layout_badh\"><\/div><\/section>\n<\/div>\n<\/div>\n<\/div>\n<\/div><div class=\"layout_badh\"><\/div><\/section>\n\n\n\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block PcOnly\" id=\"\" style=\"padding-bottom:40px;padding-top:40px;\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in\" style=\"\">\n<div class=\"wp-block-column block_layout_in\">\n<h2 class=\"wp-block-heading has-text-align-center product-H-H2 has-themecolor-1-color has-text-color has-link-color has-medium-font-size wp-elements-3e22675a3a910ad46aac3c30f87d0fbf\" style=\"text-transform:capitalize\"><span class=\"ez-toc-section\" id=\"Tower_Crane_Slewing_Ring_Detailed_Specifications\"><\/span>Sp\u00e9cifications d\u00e9taill\u00e9es de la couronne d'orientation pour grue \u00e0 tour<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-fixed-layout\"><tbody><tr><td>Cat\u00e9gories de param\u00e8tres<\/td><td>Sp\u00e9cifications techniques<\/td><td>Remarque<\/td><\/tr><tr><td><strong>Structure du produit<\/strong><\/td><td>Type \u00e0 une rang\u00e9e de billes \u00e0 quatre points de contact \/ Type \u00e0 deux rang\u00e9es de billes \/ Type \u00e0 trois rang\u00e9es de rouleaux<\/td><td>S\u00e9lection en fonction du tonnage de la charge<\/td><\/tr><tr><td><strong>diam\u00e8tre du chemin de roulement<\/strong><\/td><td>1000mm - 2800mm (gamme commune)<\/td><td>Grandes tailles disponibles<\/td><\/tr><tr><td><strong>Qualit\u00e9 des mat\u00e9riaux<\/strong><\/td><td>42CrMo4 (EN 19) \/ 50Mn<\/td><td>Forgeage, normalisation et trempe<\/td><\/tr><tr><td><strong>r\u00e9sistance \u00e0 la traction<\/strong><\/td><td>\u2265 980 MPa<\/td><td>Propri\u00e9t\u00e9s m\u00e9caniques du noyau<\/td><\/tr><tr><td><strong>Limite d'\u00e9lasticit\u00e9<\/strong><\/td><td>\u2265 850 MPa<\/td><td>Propri\u00e9t\u00e9s m\u00e9caniques du noyau<\/td><\/tr><tr><td><strong>Puissance d'impact<\/strong><\/td><td>\u2265 27 J (-20\u00b0C)<\/td><td>Protection de la t\u00e9nacit\u00e9 \u00e0 basse temp\u00e9rature<\/td><\/tr><tr><td><strong>Module d'engrenage<\/strong><\/td><td>10mm - 24mm<\/td><td>Les modules plus grands ont une plus grande capacit\u00e9 de charge<\/td><\/tr><tr><td><strong>Tol\u00e9rance des trous de boulons<\/strong><\/td><td>H9 \/ H10<\/td><td>Assurer la pr\u00e9cision de l'installation<\/td><\/tr><tr><td><strong>M\u00e9thode de lubrification<\/strong><\/td><td>Interface de lubrification centralis\u00e9e \/ Graisseur manuel<\/td><td>Interface standard r\u00e9serv\u00e9e<\/td><\/tr><tr><td><strong>Adaptation de la temp\u00e9rature<\/strong><\/td><td>De -40\u00b0C \u00e0 +60\u00b0C<\/td><td>Des huiles sp\u00e9ciales sont n\u00e9cessaires dans les environnements extr\u00eames<\/td><\/tr><tr><td><strong>Suivre les normes<\/strong><\/td><td>JG\/T 66-1999, JB\/T 10471<\/td><td>Conforme aux normes applicables aux engins de chantier<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n<\/div><div class=\"layout_badh\"><\/div><\/section>\n\n\n\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block PcOnly\" id=\"\" style=\"padding-bottom:53px;padding-top:35px;\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in\" style=\"\">\n<div class=\"wp-block-column block_layout_in\">\n<div class=\"wp-block-columns\">\n<div class=\"wp-block-column\" style=\"flex-basis:50%\">\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p\" style=\"font-size:14px;line-height:28px;color:#666666;padding:10px 0px;\">\n<div class=\"wp-block-column\">\n<h2 class=\"wp-block-heading has-text-align-left has-themecolor-1-color has-text-color has-link-color has-medium-font-size wp-elements-be21e21a3625e9a8784c2817c03a68ff\" style=\"text-transform:capitalize\"><span class=\"ez-toc-section\" id=\"Tower_Crane_Slewing_Ring_Comparison_Point\"><\/span>Comparaison des couronnes d'orientation des grues \u00e0 tour<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\nCompar\u00e9s \u00e0 des produits similaires utilisant de l'acier moul\u00e9 ordinaire ou un processus de traitement thermique simplifi\u00e9 sur le march\u00e9, les produits Slewbearingtec pr\u00e9sentent des avantages significatifs en termes de puret\u00e9 des mat\u00e9riaux et de pr\u00e9cision de traitement. Le processus de forgeage int\u00e9gral de Slewbearingtec garantit l'int\u00e9grit\u00e9 des lignes de flux des fibres m\u00e9talliques, ce qui rend la capacit\u00e9 de charge 30% sup\u00e9rieure \u00e0 celle du corps de l'anneau moul\u00e9. En m\u00eame temps, la technologie de pr\u00e9-serrage \u00e0 jeu n\u00e9gatif adopt\u00e9e par Slewbearingtec r\u00e9sout efficacement le probl\u00e8me de tremblement caus\u00e9 par le roulement l\u00e2che de la grue \u00e0 tour au d\u00e9but de l'utilisation, et am\u00e9liore la confiance de l'op\u00e9rateur dans le contr\u00f4le.\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-cover is-light productwzimage\" style=\"min-height:315px;aspect-ratio:unset;\"><img loading=\"lazy\" decoding=\"async\" width=\"1002\" height=\"789\" class=\"wp-block-cover__image-background wp-image-5623 size-full\" alt=\"Couronne d&#039;orientation pour grue \u00e0 tour \" src=\"https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2026\/02\/image-3.png\" data-object-fit=\"cover\" srcset=\"https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2026\/02\/image-3.png 1002w, https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2026\/02\/image-3-300x236.png 300w, https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2026\/02\/image-3-768x605.png 768w, https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2026\/02\/image-3-15x12.png 15w\" sizes=\"auto, (max-width: 1002px) 100vw, 1002px\" \/><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim-0 has-background-dim\" style=\"background-color:#f1f1f1\"><\/span><div class=\"wp-block-cover__inner-container\">\n<p class=\"has-text-align-center has-large-font-size\"><\/p>\n<\/div><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column\">\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p  productAduibidian\" style=\"font-size:14px;line-height:26px;color:#4d4b4b;padding:20px 24px;border-radius:15px;\">\n<div class=\"wp-block-column\">\n<div class=\"wp-block-columns\">\n<div class=\"wp-block-column\" style=\"flex-basis:10%\">\n<div style=\"height:5px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img decoding=\"async\" src=\"https:\/\/www.lianxi.fun\/wp-content\/uploads\/2025\/12\/solution.png\" alt=\"\" class=\"wp-image-13399\" style=\"width:32px\"><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-column\">\n<h4 class=\"wp-block-heading has-normal-font-size\"><span class=\"ez-toc-section\" id=\"Solving_the_problem_of_gear_fracture_under_high-frequency_operation\"><\/span>R\u00e9solution du probl\u00e8me de la rupture des engrenages en cas de fonctionnement \u00e0 haute fr\u00e9quence<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-themepark-block-themepark-xian theme_fang_out\" style=\"text-align:left;\"><div class=\"fangbox\" style=\"width:709px;height:1px;background-color:#666666;\"><\/div><\/div>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\nLes paliers d'orientation ordinaires des grues \u00e0 tour commencent souvent \u00e0 freiner, et la racine de la dent se fracture facilement en raison de la fatigue. Le Slewbearingtec am\u00e9liore la r\u00e9sistance \u00e0 la fatigue de la racine de la dent par grenaillage et adopte la conception de l'engrenage variable, ce qui r\u00e9sout compl\u00e8tement le danger cach\u00e9 de l'effondrement de la dent dans des conditions de charge lourde et garantit la s\u00e9curit\u00e9 de la construction.\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p  productAcharacter\" style=\"font-size:14px;line-height:26px;color:#4d4b4b;padding:20px 24px;border-radius:15px;\">\n<div class=\"wp-block-column\">\n<div class=\"wp-block-columns\">\n<div class=\"wp-block-column\" style=\"flex-basis:10%\">\n<div style=\"height:5px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"alignright size-full is-resized\"><img decoding=\"async\" src=\"https:\/\/www.lianxi.fun\/wp-content\/uploads\/2025\/12\/solution.png\" alt=\"\" class=\"wp-image-13399\" style=\"width:32px\"><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-column\">\n<h4 class=\"wp-block-heading has-normal-font-size\"><span class=\"ez-toc-section\" id=\"Solve_internal_rust_sticking_caused_by_bad_weather\"><\/span>R\u00e9soudre les probl\u00e8mes de rouille interne caus\u00e9s par les intemp\u00e9ries<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-themepark-block-themepark-xian theme_fang_out\" style=\"text-align:left;\"><div class=\"fangbox\" style=\"width:709px;height:1px;background-color:#666666;\"><\/div><\/div>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\nCompte tenu du fait que le support de la grue \u00e0 tour dans les r\u00e9gions c\u00f4ti\u00e8res et pluvieuses est sujet \u00e0 la corrosion par l'eau, nous avons optimis\u00e9 la structure de la rainure d'\u00e9tanch\u00e9it\u00e9 et utilis\u00e9 des bandes d'\u00e9tanch\u00e9it\u00e9 en caoutchouc sp\u00e9cial ayant une forte r\u00e9sistance aux intemp\u00e9ries. Cette am\u00e9lioration r\u00e9sout les probl\u00e8mes de corrosion des billes et de d\u00e9t\u00e9rioration de la graisse caus\u00e9s par l'infiltration d'eau, et garantit le bon fonctionnement du m\u00e9canisme pendant les saisons humides.\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p  productAcharacter\" style=\"font-size:14px;line-height:26px;color:#4d4b4b;padding:20px 24px;border-radius:15px;\">\n<div class=\"wp-block-column\">\n<div class=\"wp-block-columns\">\n<div class=\"wp-block-column\" style=\"flex-basis:10%\">\n<div style=\"height:5px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"alignright size-full is-resized\"><img decoding=\"async\" src=\"https:\/\/www.lianxi.fun\/wp-content\/uploads\/2025\/12\/solution.png\" alt=\"\" class=\"wp-image-13399\" style=\"width:32px\"><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-column\">\n<h4 class=\"wp-block-heading has-normal-font-size\"><span class=\"ez-toc-section\" id=\"Solve_the_problem_of_excessive_shaking_after_long-term_use\"><\/span>R\u00e9soudre le probl\u00e8me des secousses excessives apr\u00e8s une utilisation prolong\u00e9e<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-themepark-block-themepark-xian theme_fang_out\" style=\"text-align:left;\"><div class=\"fangbox\" style=\"width:709px;height:1px;background-color:#666666;\"><\/div><\/div>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\nApr\u00e8s un an d'utilisation des produits traditionnels, l'\u00e9cart est souvent trop important en raison de l'usure du chemin de roulement, ce qui entra\u00eene un balancement important \u00e0 l'extr\u00e9mit\u00e9 du bras de la tour. Le Slewbearingtec utilise une couche de durcissement par induction \u00e0 grande profondeur pour garantir un taux d'usure extr\u00eamement faible et r\u00e9soudre le probl\u00e8me de la grue \u00e0 tour qui ne peut pas passer l'inspection annuelle ou qui n\u00e9cessite des ajustements et une maintenance fr\u00e9quents en raison de l'augmentation de l'\u00e9cartement.\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div><div class=\"layout_badh\"><\/div><\/section>\n\n\n\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block PcOnly\" id=\"\" style=\"padding-bottom:55px;padding-top:37px;\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in\" style=\"\">\n<div class=\"wp-block-column block_layout_in\">\n<h2 class=\"wp-block-heading has-text-align-center product-H-H2 has-themecolor-1-color has-text-color has-link-color has-medium-font-size\" style=\"text-transform:capitalize\"><span class=\"ez-toc-section\" id=\"Tower_Crane_Slewing_Ring_applicable_crowd\"><\/span>Couronne d'orientation pour grue \u00e0 tour foule applicable<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-columns\">\n<div class=\"wp-block-column\">\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block undefined  productArenqun\" id=\"\" style=\"\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in\" style=\"\">\n<div class=\"wp-block-column block_layout_in\">\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p  blog-jiange\" style=\"font-size:14px;line-height:26px;color:#666666;padding:20px 25px;\">\n<div class=\"wp-block-column\">\n<h2 class=\"wp-block-heading has-text-align-center has-themecolor-1-color has-text-color has-link-color\" style=\"font-size:20px\"><span class=\"ez-toc-section\" id=\"Construction_crane_leasing_company\"><\/span>Soci\u00e9t\u00e9 de location de grues de construction<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"has-text-align-center\">Pour les soci\u00e9t\u00e9s de cr\u00e9dit-bail poss\u00e9dant un grand nombre de grues \u00e0 tour, la pr\u00e9servation des actifs et le faible taux de d\u00e9faillance des \u00e9quipements sont des exigences essentielles. La grande durabilit\u00e9 de ce produit r\u00e9duit la fr\u00e9quence de remplacement, peut s'adapter aux conditions de travail complexes des diff\u00e9rents sites de construction et r\u00e9duit le co\u00fbt de maintenance de l'ensemble du cycle de vie. C'est un choix id\u00e9al pour le renouvellement des pi\u00e8ces du parc locatif.<\/p>\n<\/div>\n<\/div>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"906\" height=\"750\" src=\"https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2026\/02\/image-5-5.jpg\" alt=\"Couronne d&#039;orientation pour grue \u00e0 tour foule applicable\" class=\"wp-image-5636\" srcset=\"https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2026\/02\/image-5-5.jpg 906w, https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2026\/02\/image-5-5-300x248.jpg 300w, https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2026\/02\/image-5-5-768x636.jpg 768w, https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2026\/02\/image-5-5-14x12.jpg 14w\" sizes=\"auto, (max-width: 906px) 100vw, 906px\" \/><\/figure>\n<\/div>\n<\/div><div class=\"layout_badh\"><\/div><\/section>\n<\/div>\n\n\n\n<div class=\"wp-block-column\">\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block undefined  productArenqun\" id=\"\" style=\"\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in\" style=\"\">\n<div class=\"wp-block-column block_layout_in\">\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p  blog-jiange\" style=\"font-size:14px;line-height:26px;color:#666666;padding:6px 25px;\">\n<div class=\"wp-block-column\">\n<h2 class=\"wp-block-heading has-text-align-center has-themecolor-1-color has-text-color has-link-color\" style=\"font-size:20px\"><span class=\"ez-toc-section\" id=\"Tower_crane_maintenance_and_remanufacturing_service_provider\"><\/span>Fournisseur de services de maintenance et de remise \u00e0 neuf de grues \u00e0 tour<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"has-text-align-center\">Les prestataires de services professionnels ont besoin de pi\u00e8ces de rechange dont les dimensions sont pr\u00e9cises et qui sont faciles \u00e0 installer. Notre couronne d'orientation pour grue \u00e0 tour respecte strictement les normes de taille OEM, un contr\u00f4le pr\u00e9cis des tol\u00e9rances et peut \u00eatre install\u00e9e directement sans traitement secondaire sur site, ce qui aide les prestataires de services \u00e0 r\u00e9duire les temps d'arr\u00eat pour la maintenance et \u00e0 am\u00e9liorer la satisfaction des clients.<\/p>\n<\/div>\n<\/div>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"909\" height=\"750\" src=\"https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2026\/02\/image-5-6.jpg\" alt=\"Couronne d&#039;orientation pour grue \u00e0 tour foule applicable\" class=\"wp-image-5637\" srcset=\"https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2026\/02\/image-5-6.jpg 909w, https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2026\/02\/image-5-6-300x248.jpg 300w, https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2026\/02\/image-5-6-768x634.jpg 768w, https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2026\/02\/image-5-6-15x12.jpg 15w\" sizes=\"auto, (max-width: 909px) 100vw, 909px\" \/><\/figure>\n<\/div>\n<\/div><div class=\"layout_badh\"><\/div><\/section>\n<\/div>\n\n\n\n<div class=\"wp-block-column\">\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block undefined  productArenqun\" id=\"\" style=\"\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in\" style=\"\">\n<div class=\"wp-block-column block_layout_in\">\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p  blog-jiange\" style=\"font-size:14px;line-height:26px;color:#666666;padding:20px 25px;\">\n<div class=\"wp-block-column\">\n<h2 class=\"wp-block-heading has-text-align-center has-themecolor-1-color has-text-color has-link-color\" style=\"font-size:20px\"><span class=\"ez-toc-section\" id=\"Port_and_Terminal_Operating_Unit\"><\/span>Unit\u00e9 d'exploitation des ports et des terminaux<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"has-text-align-center\">La grue \u00e0 portique portuaire a une intensit\u00e9 de travail \u00e9lev\u00e9e et des exigences \u00e9lev\u00e9es en mati\u00e8re de r\u00e9sistance \u00e0 la corrosion et de capacit\u00e9 de fonctionnement continu. Pour ces utilisateurs, nous fournissons des produits de soutien dot\u00e9s d'un rev\u00eatement anticorrosion am\u00e9lior\u00e9 et d'une conception robuste afin de garantir des performances de rotation stables \u00e0 long terme dans un environnement de brouillard salin et de r\u00e9duire les retards logistiques caus\u00e9s par les temps d'arr\u00eat et la maintenance.<\/p>\n<\/div>\n<\/div>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"908\" height=\"752\" src=\"https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2026\/02\/image-5-7.jpg\" alt=\"Couronne d&#039;orientation pour grue \u00e0 tour foule applicable\" class=\"wp-image-5638\" srcset=\"https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2026\/02\/image-5-7.jpg 908w, https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2026\/02\/image-5-7-300x248.jpg 300w, https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2026\/02\/image-5-7-768x636.jpg 768w, https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2026\/02\/image-5-7-14x12.jpg 14w\" sizes=\"auto, (max-width: 908px) 100vw, 908px\" \/><\/figure>\n<\/div>\n<\/div><div class=\"layout_badh\"><\/div><\/section>\n<\/div>\n\n\n\n<div class=\"wp-block-column\">\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block undefined  productArenqun\" id=\"\" style=\"\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in\" style=\"\">\n<div class=\"wp-block-column block_layout_in\">\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p  blog-jiange\" style=\"font-size:14px;line-height:26px;color:#666666;padding:46px 25px;\">\n<div class=\"wp-block-column\">\n<h2 class=\"wp-block-heading has-text-align-center has-themecolor-1-color has-text-color has-link-color\" style=\"font-size:20px\"><span class=\"ez-toc-section\" id=\"large_steel_structure_construction_enterprise\"><\/span>entreprise de construction de grandes structures en acier<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"has-text-align-center\">Dans le cadre du levage de structures m\u00e9talliques de grande hauteur, la pr\u00e9cision de la position est tr\u00e8s \u00e9lev\u00e9e. La conception \u00e0 faible d\u00e9gagement de ce produit am\u00e9liore consid\u00e9rablement la stabilit\u00e9 de positionnement du crochet, aide l'entreprise de construction \u00e0 \u00eatre plus pratique dans l'arrimage des composants de pr\u00e9cision, et am\u00e9liore l'efficacit\u00e9 et la s\u00e9curit\u00e9 de la construction.<\/p>\n<\/div>\n<\/div>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"907\" height=\"751\" src=\"https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2026\/02\/image-5-8.jpg\" alt=\"Couronne d&#039;orientation pour grue \u00e0 tour foule applicable\" class=\"wp-image-5639\" srcset=\"https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2026\/02\/image-5-8.jpg 907w, https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2026\/02\/image-5-8-300x248.jpg 300w, https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2026\/02\/image-5-8-768x636.jpg 768w, https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2026\/02\/image-5-8-14x12.jpg 14w\" sizes=\"auto, (max-width: 907px) 100vw, 907px\" \/><\/figure>\n<\/div>\n<\/div><div class=\"layout_badh\"><\/div><\/section>\n<\/div>\n<\/div>\n<\/div>\n<\/div><div class=\"layout_badh\"><\/div><\/section>\n\n\n\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block PcOnly\" id=\"\" style=\"padding-bottom:68px;padding-top:72px;\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in\" style=\"\">\n<div class=\"wp-block-column block_layout_in\">\n<h2 class=\"wp-block-heading has-text-align-center product-H-H2 has-themecolor-1-color has-text-color has-link-color has-medium-font-size\" style=\"text-transform:capitalize\"><span class=\"ez-toc-section\" id=\"Tower_Crane_Slewing_Ring_instructions_for_use\"><\/span>Instructions d'utilisation de la couronne d'orientation pour grue \u00e0 tour<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-columns\">\n<div class=\"wp-block-column productAinstall1-Axunting\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img decoding=\"async\" src=\"https:\/\/www.kingpdc.com\/wp-content\/uploads\/2026\/01\/011.png\" alt=\"\" class=\"wp-image-14289\" style=\"width:106px;height:auto\"><\/figure>\n<\/div>\n\n\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p\" style=\"font-size:12px;line-height:20px;padding:3px 0px;\">\n<div class=\"wp-block-column\">\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p\" style=\"font-size:16px;line-height:26px;color:#666666;padding:1px 0px;\">\n<div class=\"wp-block-column\">\n<h2 class=\"wp-block-heading has-text-align-center has-themecolor-1-color has-text-color has-link-color\" style=\"font-size:18px\"><span class=\"ez-toc-section\" id=\"Stepwise_Application_of_Bolt_Preload\"><\/span>Application progressive de la pr\u00e9charge du boulon<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"has-text-align-center\" style=\"font-size:15px\">Lors de l'installation, il est strictement interdit de serrer les boulons en place en une seule fois. Une cl\u00e9 dynamom\u00e9trique doit \u00eatre utilis\u00e9e pour serrer progressivement les boulons \u00e0 haute r\u00e9sistance en trois fois (30%, 80% et couple 100) selon le principe de la diagonale pour s'assurer que la bague de roulement est uniform\u00e9ment sollicit\u00e9e et pour emp\u00eacher la d\u00e9formation du chemin de roulement caus\u00e9e par les contraintes de l'installation.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column productAinstall1-Axunting\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img decoding=\"async\" src=\"https:\/\/www.kingpdc.com\/wp-content\/uploads\/2026\/01\/022.png\" alt=\"\" class=\"wp-image-14290\" style=\"width:106px;height:auto\"><\/figure>\n<\/div>\n\n\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p\" style=\"font-size:12px;line-height:20px;padding:3px 0px;\">\n<div class=\"wp-block-column\">\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p\" style=\"font-size:16px;line-height:26px;color:#666666;padding:1px 0px;\">\n<div class=\"wp-block-column\">\n<h2 class=\"wp-block-heading has-text-align-center has-themecolor-1-color has-text-color has-link-color\" style=\"font-size:18px\"><span class=\"ez-toc-section\" id=\"Regular_grease_replenishment_schedule\"><\/span>Calendrier r\u00e9gulier de r\u00e9approvisionnement en graisse<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"has-text-align-center\" style=\"font-size:15px\">Il est recommand\u00e9 d'ajouter de la graisse au lithium au chemin de roulement toutes les 100 heures de travail, et de nettoyer et d'huiler la surface des dents toutes les 300 heures de travail. Pendant le remplissage d'huile, faire tourner lentement la couronne d'orientation jusqu'\u00e0 ce que la nouvelle graisse d\u00e9borde de la bande d'\u00e9tanch\u00e9it\u00e9 afin de s'assurer que l'ancienne graisse et les impuret\u00e9s sont compl\u00e8tement \u00e9vacu\u00e9es.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column productAinstall1-Axunting\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img decoding=\"async\" src=\"https:\/\/www.kingpdc.com\/wp-content\/uploads\/2026\/01\/033.png\" alt=\"\" class=\"wp-image-14291\" style=\"width:106px;height:auto\"><\/figure>\n<\/div>\n\n\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p\" style=\"font-size:12px;line-height:20px;padding:3px 0px;\">\n<div class=\"wp-block-column\">\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p\" style=\"font-size:16px;line-height:26px;color:#666666;padding:1px 0px;\">\n<div class=\"wp-block-column\">\n<h2 class=\"wp-block-heading has-text-align-center has-themecolor-1-color has-text-color has-link-color\" style=\"font-size:18px\"><span class=\"ez-toc-section\" id=\"Inspection_of_gear_meshing_clearance\"><\/span>Inspection du jeu d'engr\u00e8nement de l'engrenage<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"has-text-align-center\" style=\"font-size:15px\">Apr\u00e8s l'installation et apr\u00e8s 100 heures d'utilisation initiale, le jeu d'engr\u00e8nement entre le pignon et la couronne d'orientation doit \u00eatre v\u00e9rifi\u00e9. Si le jeu est trop faible, il provoque des bruits et une usure anormale, et si le jeu est trop important, il provoque des chocs. Veillez \u00e0 ajuster la position du pignon pour maintenir le jeu d'engr\u00e8nement en chaque point conform\u00e9ment aux exigences techniques.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column productAinstall1-Axunting\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img decoding=\"async\" src=\"https:\/\/www.kingpdc.com\/wp-content\/uploads\/2026\/01\/044.png\" alt=\"\" class=\"wp-image-14292\" style=\"width:106px;height:auto\"><\/figure>\n<\/div>\n\n\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p\" style=\"font-size:12px;line-height:20px;padding:3px 0px;\">\n<div class=\"wp-block-column\">\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p\" style=\"font-size:16px;line-height:26px;color:#666666;padding:1px 0px;\">\n<div class=\"wp-block-column\">\n<h2 class=\"wp-block-heading has-text-align-center has-themecolor-1-color has-text-color has-link-color\" style=\"font-size:18px\"><span class=\"ez-toc-section\" id=\"Abnormal_noise_and_operation_condition_monitoring\"><\/span>Surveillance des bruits anormaux et des conditions de fonctionnement<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"has-text-align-center\" style=\"font-size:15px\">L'op\u00e9rateur doit pr\u00eater attention au bruit de la rotation tous les jours. S'il entend r\u00e9guli\u00e8rement un \u201cclic\u201d ou un grincement de m\u00e9tal, il doit imm\u00e9diatement arr\u00eater la machine pour l'inspecter. Il s'agit g\u00e9n\u00e9ralement d'un signe pr\u00e9curseur d'un \u00e9caillage du chemin de roulement ou d'un desserrage des boulons, et une inspection en temps utile peut \u00e9viter de graves accidents de renversement.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div><div class=\"layout_badh\"><\/div><\/section>\n\n\n\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block PcOnly\" id=\"\" style=\"background-color:#f5f7fa;padding-bottom:64px;padding-top:58px;\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in clomnsmal  clomnnone\" style=\"\">\n<div class=\"wp-block-column block_layout_in\">\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center has-themecolor-1-color has-text-color has-link-color has-medium-font-size wp-elements-b5de42648e2fb0bcaa612e9f5b984f7a\" style=\"text-transform:capitalize\"><span class=\"ez-toc-section\" id=\"factory_and_certificate\"><\/span>usine et certificat<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-columns\">\n<div class=\"wp-block-column informationFL\" style=\"flex-basis:33.33%\">\n<div class=\"wp-block-cover is-light\" style=\"min-height:480px;aspect-ratio:unset;\"><img loading=\"lazy\" decoding=\"async\" width=\"375\" height=\"536\" class=\"wp-block-cover__image-background wp-image-836 size-full\" alt=\"certificat\" src=\"https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2025\/04\/certificate1-2.jpg\" data-object-fit=\"cover\" srcset=\"https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2025\/04\/certificate1-2.jpg 375w, https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2025\/04\/certificate1-2-210x300.jpg 210w, https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2025\/04\/certificate1-2-8x12.jpg 8w\" sizes=\"auto, (max-width: 375px) 100vw, 375px\" \/><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim-0 has-background-dim\" style=\"background-color:#ececee\"><\/span><div class=\"wp-block-cover__inner-container\">\n<p class=\"has-text-align-center has-large-font-size\"><\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p\" style=\"font-size:12px;line-height:20px;background-color:#666666;padding:10px 10px;\">\n<div class=\"wp-block-column\">\n<p class=\"has-text-align-center has-monte-white-color has-text-color has-link-color wp-elements-19cfdf9b77940cb8ac134f9f5156102f\" style=\"text-transform:uppercase\">certificat<\/p>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column\" style=\"flex-basis:2%\"><\/div>\n\n\n\n<div class=\"wp-block-column\" style=\"flex-basis:66.66%\">\n<div class=\"wp-block-cover is-light informationFL\" style=\"min-height:531px;aspect-ratio:unset;\"><img loading=\"lazy\" decoding=\"async\" width=\"412\" height=\"254\" class=\"wp-block-cover__image-background wp-image-2417 size-full\" alt=\"usine\" src=\"https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2025\/04\/factory-2-1.jpg\" data-object-fit=\"cover\" srcset=\"https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2025\/04\/factory-2-1.jpg 412w, https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2025\/04\/factory-2-1-300x185.jpg 300w\" sizes=\"auto, (max-width: 412px) 100vw, 412px\" \/><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim-0 has-background-dim\" style=\"background-color:#8e8a87\"><\/span><div class=\"wp-block-cover__inner-container\">\n<p class=\"has-text-align-center has-large-font-size\"><\/p>\n<\/div><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div><div class=\"layout_badh\"><\/div><\/section>\n\n\n\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block PcOnly\" id=\"\" style=\"padding-bottom:58px;padding-top:70px;\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in\" style=\"\">\n<div class=\"wp-block-column block_layout_in\">\n<div class=\"wp-block-columns\">\n<div class=\"wp-block-column\">\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p\" style=\"font-size:14px;line-height:26px;color:#666666;padding:10px 0px;\">\n<div class=\"wp-block-column\">\n<h2 class=\"wp-block-heading has-text-align-left has-themecolor-1-color has-text-color has-link-color has-medium-font-size wp-elements-49d25eb9bb2b651c02d0f86960c4d0e4\"><span class=\"ez-toc-section\" id=\"FAQ_And_Contact_Us\"><\/span>FAQ et contact<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"has-text-align-left\">Bienvenue sur notre page Foire aux questions. Nous avons rassembl\u00e9 les r\u00e9ponses aux questions les plus courantes que vous pouvez vous poser, dans l'espoir de vous fournir des solutions claires et rapides. Si vous ne trouvez pas l'information dont vous avez besoin ici, n'h\u00e9sitez pas \u00e0 contacter notre \u00e9quipe d'assistance \u00e0 la client\u00e8le.<\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<style>\n  \/* --- 1. \u5bb9\u5668\u5916\u89c2\uff1a\u5361\u7247\u9634\u5f71\u6548\u679c --- *\/\n  .faq-container {\n    max-width: 666px;\n    margin: 0 auto;\n    background-color: #fff;\n    padding: 20px;\n    border-radius: 8px;\n    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1); \/* \u9634\u5f71\u66f4\u660e\u663e\u4e00\u70b9 *\/\n    box-sizing: border-box;\n    font-family: -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, \"Helvetica Neue\", Arial, sans-serif;\n  }\n\n  \/* --- 2. \u6bcf\u4e00\u884c\u7684\u5206\u5272\u7ebf --- *\/\n  .faq-item {\n    border-bottom: 1px solid #eee;\n    margin-bottom: 0;\n  }\n  .faq-item:last-child {\n    border-bottom: none; \/* \u6700\u540e\u4e00\u9879\u4e0d\u8981\u7ebf *\/\n  }\n\n  \/* --- 3. \u95ee\u9898\u6807\u9898\u6837\u5f0f --- *\/\n  .faq-question {\n    font-weight: 600;\n    cursor: pointer;\n    padding: 18px 10px; \/* \u589e\u52a0\u70b9\u51fb\u533a\u57df *\/\n    display: flex;\n    justify-content: space-between; \/* \u5de6\u53f3\u4e24\u7aef\u5bf9\u9f50 *\/\n    align-items: center;\n    color: #333;\n    font-size: 16px;\n    transition: color 0.3s ease;\n    user-select: none; \/* \u9632\u6b62\u9009\u4e2d\u6587\u5b57 *\/\n    position: relative;\n  }\n  \n  .faq-question:hover {\n    color: #007bff; \/* \u9f20\u6807\u60ac\u505c\u53d8\u84dd *\/\n  }\n\n  \/* --- 4. \u53f3\u4fa7\u52a0\u51cf\u53f7\u56fe\u6807 --- *\/\n  .faq-question::after {\n    content: '+';\n    font-size: 20px;\n    color: #007bff;\n    font-weight: normal;\n    transition: transform 0.3s ease;\n    margin-left: 15px;\n    line-height: 1;\n  }\n\n  \/* --- 5. \u6fc0\u6d3b\u72b6\u6001\uff1a\u56fe\u6807\u65cb\u8f6c\u4e14\u6807\u9898\u53d8\u8272 --- *\/\n  .faq-question.active {\n    color: #007bff;\n  }\n  .faq-question.active::after {\n    transform: rotate(45deg); \/* \u65cb\u8f6c\u53d8\u6210 X *\/\n  }\n\n  \/* --- 6. \u7b54\u6848\u533a\u57df\u6837\u5f0f --- *\/\n  .faq-answer {\n    \/* \u6838\u5fc3\uff1a\u9ed8\u8ba4\u9690\u85cf\uff0c\u9ad8\u5ea6\u4e3a0\uff0c\u65b9\u4fbf\u505a\u52a8\u753b\uff08\u5982\u679c\u9700\u8981\uff09 *\/\n    display: none;\n    padding: 0 10px 20px 10px; \/* \u4e0a0\uff0c\u5de6\u53f310\uff0c\u4e0b20 *\/\n    color: #666;\n    line-height: 1.7;\n    font-size: 14px;\n    animation: slideDown 0.3s ease-out; \/* \u6dfb\u52a0\u8f7b\u5fae\u7684\u51fa\u73b0\u52a8\u753b *\/\n  }\n  \n  \/* --- 7. \u663e\u793a\u72b6\u6001 --- *\/\n  .faq-answer.show {\n    display: block !important; \/* \u5f3a\u5236\u663e\u793a *\/\n  }\n\n  \/* \u7b80\u5355\u7684\u6de1\u5165\u52a8\u753b *\/\n  @keyframes slideDown {\n    from { opacity: 0; transform: translateY(-5px); }\n    to { opacity: 1; transform: translateY(0); }\n  }\n<\/style>\n\n<!-- HTML \u7ed3\u6784\uff1a\u4fdd\u6301\u4f7f\u7528\u4e86 onclick \u7ed1\u5b9a\u7684\u7ed3\u6784 -->\n<div class=\"faq-container\">\n\n  <div class=\"faq-item\">\n    <div class=\"faq-question\" onclick=\"toggleFaq(this)\">\n      Q1 : A quelles marques de grues \u00e0 tour votre couronne d'orientation peut-elle convenir ?\n    <\/div>\n    <div class=\"faq-answer\">\n      Nos produits sont conformes aux normes internationales et peuvent s'adapter aux besoins de remplacement de la plupart des grandes marques de grues \u00e0 tour sur le march\u00e9, telles que Botan, Liebherr et Zoomlian. Il suffit de fournir l'espacement des trous d'installation, le diam\u00e8tre et le nombre de dents des anciennes pi\u00e8ces pour que nous puissions les adapter avec pr\u00e9cision.\n    <\/div>\n  <\/div>\n\n  <div class=\"faq-item\">\n    <div class=\"faq-question\" onclick=\"toggleFaq(this)\">\n      Q2 : Comment d\u00e9terminer si le roulement d'orientation doit \u00eatre remplac\u00e9 ?\n    <\/div>\n    <div class=\"faq-answer\">\n      Lorsque le jeu axial ou radial mesur\u00e9 est plus de 4 fois sup\u00e9rieur \u00e0 la valeur standard de l'usine, ou que le fonctionnement s'accompagne d'un bruit anormal grave et d'un blocage, et qu'il ne peut \u00eatre am\u00e9lior\u00e9 apr\u00e8s lubrification, cela signifie g\u00e9n\u00e9ralement que le chemin de roulement a \u00e9t\u00e9 gravement us\u00e9 ou qu'il doit \u00eatre arr\u00eat\u00e9 imm\u00e9diatement et remplac\u00e9.\n    <\/div>\n  <\/div>\n\n  <div class=\"faq-item\">\n    <div class=\"faq-question\" onclick=\"toggleFaq(this)\">\n      Q3 : Quelle est la diff\u00e9rence entre les mat\u00e9riaux 42CrMo et 50Mn, lequel dois-je choisir ?\n    <\/div>\n    <div class=\"faq-answer\">\n      Le mat\u00e9riau 50Mn est rentable et convient aux grues \u00e0 tour de petit et moyen tonnage ; le mat\u00e9riau 42CrMo pr\u00e9sente une meilleure trempabilit\u00e9 et une meilleure r\u00e9sistance aux chocs, une plus grande force, et convient mieux aux grues \u00e0 tour lourdes ou aux zones froides, \u00e0 l'environnement soumis \u00e0 la charge du vent. Si vous recherchez une dur\u00e9e de vie plus longue, il est recommand\u00e9 de choisir le 42CrMo.\n    <\/div>\n  <\/div>\n\n  <div class=\"faq-item\">\n    <div class=\"faq-question\" onclick=\"toggleFaq(this)\">\n      Q4 : Quelle est la dur\u00e9e de la garantie de votre produit ?\n    <\/div>\n    <div class=\"faq-answer\">\n      Slewbearingtec offre une garantie de qualit\u00e9 de 12 mois \u00e0 partir de la date de livraison pour tous les produits de roulements de grue \u00e0 tour. Pendant la p\u00e9riode de garantie, si la d\u00e9faillance est due \u00e0 des d\u00e9fauts mat\u00e9riels ou \u00e0 des probl\u00e8mes de processus de fabrication, nous fournirons des services de remplacement ou de r\u00e9paration gratuits.\n    <\/div>\n  <\/div>\n\n  <div class=\"faq-item\">\n    <div class=\"faq-question\" onclick=\"toggleFaq(this)\">\n     Q5 : Pourquoi la couronne d'orientation fuit-elle l'huile peu apr\u00e8s son utilisation ?\n    <\/div>\n    <div class=\"faq-answer\">\n      Les fuites d'huile sont g\u00e9n\u00e9ralement dues au vieillissement et \u00e0 l'endommagement de la bande d'\u00e9tanch\u00e9it\u00e9 ou \u00e0 une pression d'injection d'huile excessive qui ouvre la l\u00e8vre d'\u00e9tanch\u00e9it\u00e9. Nos produits utilisent des bandes d'\u00e9tanch\u00e9it\u00e9 renforc\u00e9es, mais il est recommand\u00e9 aux utilisateurs de contr\u00f4ler la pression lors de l'injection d'huile, de v\u00e9rifier l'int\u00e9grit\u00e9 des joints lors de l'entretien quotidien et de les remplacer \u00e0 temps s'ils sont endommag\u00e9s.\n    <\/div>\n  <\/div>\n\n  <div class=\"faq-item\">\n    <div class=\"faq-question\" onclick=\"toggleFaq(this)\">\n     Q6 : Lors du remplacement de la couronne d'orientation, les boulons \u00e0 haute r\u00e9sistance correspondants doivent-ils \u00eatre remplac\u00e9s ensemble ?\n    <\/div>\n    <div class=\"faq-answer\">\n       Ils doivent \u00eatre remplac\u00e9s ensemble. Les anciens boulons ont subi un \u00e9tirement et une fatigue au cours de leur utilisation, et une utilisation r\u00e9p\u00e9t\u00e9e est susceptible de se rompre, ce qui peut avoir des cons\u00e9quences catastrophiques. Nous recommandons fortement qu'un jeu complet de nouveaux boulons \u00e0 haute r\u00e9sistance de grade 10.9 ou 12.9 soit remplac\u00e9 par un nouveau palier.\n    <\/div>\n  <\/div>\n\n<\/div>\n\n<script>\n\/\/ \u8fd9\u91cc\u7684\u903b\u8f91\uff1a\u53ea\u8d1f\u8d23\u5207\u6362 class\uff0c\u6837\u5f0f\u7531 CSS \u8d1f\u8d23\uff0c\u8fd9\u6837\u5c31\u597d\u770b\u4e14\u7a33\u5b9a\nfunction toggleFaq(btn) {\n    \/\/ 1. \u627e\u5230\u5bf9\u5e94\u7684\u7b54\u6848\u5bb9\u5668\n    \/\/ \u4f7f\u7528 nextElementSibling \u914d\u5408 querySelector \u786e\u4fdd\u517c\u5bb9\u6027\n    var parent = btn.closest('.faq-item');\n    var answer = parent ? parent.querySelector('.faq-answer') : null;\n\n    if (!answer) return;\n\n    \/\/ 2. \u8bb0\u5f55\u5f53\u524d\u662f\u5426\u5df2\u7ecf\u662f\u6253\u5f00\u72b6\u6001\n    var isAlreadyOpen = btn.classList.contains('active');\n\n    \/\/ 3. \u3010\u624b\u98ce\u7434\u6838\u5fc3\u3011\u5173\u95ed\u6240\u6709\u5176\u4ed6\u7684\n    var allQuestions = document.querySelectorAll('.faq-container .faq-question');\n    var allAnswers = document.querySelectorAll('.faq-container .faq-answer');\n\n    allQuestions.forEach(function(q) {\n        q.classList.remove('active');\n    });\n    allAnswers.forEach(function(a) {\n        a.classList.remove('show');\n    });\n\n    \/\/ 4. \u5982\u679c\u521a\u624d\u6ca1\u6253\u5f00\uff0c\u73b0\u5728\u5c31\u6253\u5f00\u5b83\n    \/\/ (\u5982\u679c\u521a\u624d\u5df2\u7ecf\u5f00\u4e86\uff0c\u7b2c3\u6b65\u5df2\u7ecf\u628a\u5b83\u5173\u4e86\uff0c\u8fd9\u91cc\u5c31\u4e0d\u64cd\u4f5c\uff0c\u5b9e\u73b0\u4e86\u201c\u6536\u8d77\u201d\u529f\u80fd)\n    if (!isAlreadyOpen) {\n        btn.classList.add('active');\n        answer.classList.add('show');\n    }\n}\n\n\/\/ --- \u521d\u59cb\u5316\uff1a\u9ed8\u8ba4\u5c55\u5f00\u7b2c\u4e8c\u4e2a ---\ndocument.addEventListener('DOMContentLoaded', function() {\n    setTimeout(function() {\n        var questions = document.querySelectorAll('.faq-container .faq-question');\n        var answers = document.querySelectorAll('.faq-container .faq-answer');\n\n        if (questions.length >= 2 && answers.length >= 2) {\n            \/\/ \u7ed9\u7b2c\u4e8c\u4e2a\u5143\u7d20\u6dfb\u52a0 class\uff0c\u800c\u4e0d\u662f\u76f4\u63a5\u4fee\u6539 style\n            \/\/ \u8fd9\u6837 CSS \u6837\u5f0f\u5c31\u4f1a\u751f\u6548\n            questions[1].classList.add('active');\n            \n            \/\/ \u627e\u5230\u7b2c\u4e8c\u4e2a\u95ee\u9898\u5bf9\u5e94\u7684\u7b54\u6848\n            var parent = questions[1].closest('.faq-item');\n            if (parent) {\n                var ans = parent.querySelector('.faq-answer');\n                if (ans) ans.classList.add('show');\n            }\n        }\n    }, 100);\n});\n<\/script>\n\n\n\n<div class=\"wp-block-columns\">\n<div class=\"wp-block-column\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column\">\n<div style=\"height:29px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-columns productsAformsbackground1\">\n<div class=\"wp-block-column\" style=\"flex-basis:1%\"><\/div>\n\n\n\n<div class=\"wp-block-column\">\n<div style=\"height:92px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p\" style=\"font-size:16px;line-height:26px;color:#666666;padding:1px 0px;\">\n<div class=\"wp-block-column\">\n<h2 class=\"wp-block-heading has-themecolor-1-color has-text-color has-link-color wp-elements-c4ab16c7b47efb17f25ceee17ea14fd5\" style=\"text-transform:capitalize\"><span class=\"ez-toc-section\" id=\"Please_feel_free_to_contact_us_We_look_forward_to_hearing_from_you\"><\/span>N'h\u00e9sitez pas \u00e0 nous contacter. Nous nous r\u00e9jouissons d'avoir de vos nouvelles.<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-themepark-block-themepark-comment thempark-block themepark-comment fromnopading undefined productsAforms1\" style=\"max-width:836px;\"><div class=\"themepark-comment_in\" id=\"ud_form\"><div class=\"themepark-comment_inb2\"><div class=\"themepark-comment_inb\" style=\"\"><div class=\"themepark-comment_form\" style=\"\"><form id=\"commentform-park\" class=\"themepark-c-f twomo\" action=\"https:\/\/www.slewbearingtec.com\/wp-comments-post.php\" method=\"post\" autocomplete=\"off\" data-trp-original-action=\"https:\/\/www.slewbearingtec.com\/wp-comments-post.php\"><div class=\"themepark-comment_form_box tptext mail-c texttop\" style=\"font-size:15px;\"><lable for=\"tpcommet0\" class=\"required\"><span class=\"labletext\" style=\"\">Courrier \u00e9lectronique<span class=\"required\">*<div class=\"required_tishi animated\"><i class=\"fas fa-exclamation-circle\"><\/i><span><\/span><\/div><\/span><\/span><input type=\"text\" class=\"f-email\" id=\"tpcommet0\" name=\"tpcommet0\" size=\"28\" required style=\"border: solid 1px #e4e4e4;background-color: #f9f9f9;\" placeholder=\"\"\/><\/lable><\/div><div class=\"themepark-comment_form_box tptext tel-c texttop\" style=\"font-size:15px;\"><lable for=\"tpcommet1\" class=\"\"><span class=\"labletext\" style=\"\">Nombre<\/span><input type=\"text\" class=\"f-tel\" id=\"tpcommet1\" name=\"tpcommet1\" size=\"28\" style=\"border: solid 1px #e4e4e4;background-color: #f9f9f9;\" placeholder=\"\"\/><\/lable><\/div><div class=\"themepark-comment_form_box tptext texttop\" style=\"font-size:15px;\"><lable for=\"tpcommet2\" class=\"\"><span class=\"labletext\" style=\"\">Pays<\/span><input type=\"text\" id=\"tpcommet2\" name=\"tpcommet2\" size=\"28\" style=\"border: solid 1px #e4e4e4;background-color: #f9f9f9;\" placeholder=\"\"\/><\/lable><\/div><div class=\"themepark-comment_form_box tptext texttop\" style=\"font-size:15px;\"><lable for=\"tpcommet3\" class=\"\"><span class=\"labletext\" style=\"\">Nom<\/span><input type=\"text\" id=\"tpcommet3\" name=\"tpcommet3\" size=\"28\" style=\"border: solid 1px #e4e4e4;background-color: #f9f9f9;\" placeholder=\"\"\/><\/lable><\/div><div class=\"themepark-comment_form_box tpTextarea texttop\" style=\"font-size:15px;\"><lable for=\"tpcommet4\"><span class=\"labletext\" style=\"\">Votre question<\/span><textarea id=\"tpcommet4\" name=\"tpcommet4\" style=\"border: solid 1px #e4e4e4;background-color: #f9f9f9;\" placeholder=\"\"><\/textarea><\/lable><\/div><div class=\"hiddeninput\"><input name=\"comment_post_ID\" type=\"hidden\" value=\"13125\"\/><input name=\"author\" type=\"hidden\" class=\"author\"\/><input name=\"email\" type=\"hidden\" class=\"email\"\/><textarea name=\"comment\" style=\"display:none\" class=\"comment\"><\/textarea><input name=\"themeparklable\" type=\"hidden\" value=\"E-mail|Number|Country|Name|Your Question\"\/><input name=\"themeparktype\" type=\"hidden\" value=\"text2|text3|text|text|Textarea\"\/><input name=\"redirect_to\" type=\"hidden\" value=\"https:\/\/www.slewbearingtec.com\"\/><input name=\"inquiryid\" type=\"hidden\"\/><input name=\"inquirytime\" type=\"hidden\"\/><input name=\"position\" type=\"hidden\"\/><\/div><div class=\"submut_box texttop\"><span class=\"labletext\"><\/span><input type=\"submit\" class=\"submut_btn\" name=\"submit\" style=\"background:#ff731c;\" value=\"Envoyer un devis\"\/><div class=\"tishi\" style=\"\"><div class=\"loading\" style=\"\"><i class=\"fas fa-spinner\"><\/i>Soumettre !<\/div><div class=\"success\" style=\"\"><i class=\"fas fa-check\"><\/i>Succ\u00e8s !<\/div><div class=\"erro\" style=\"\"><i class=\"fas fa-exclamation-circle\"><\/i>\u00c9chec de la soumission ! Veuillez r\u00e9essayer plus tard\uff01<\/div><div class=\"e-email\">Erreur de format d'e-mail !<\/div><div class=\"e-tel\">Erreur de format\uff01<\/div><\/div><\/div><input type=\"hidden\" name=\"trp-form-language\" value=\"fr\"\/><\/form><\/div><div class=\"wp_clear\"><\/div><\/div><div class=\"themepark-comment_in_b\" style=\"opacity:0.29;undefined0\"><\/div><\/div><\/div><div class=\"wp_clear\"><\/div><\/div>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column\" style=\"flex-basis:1%\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div><div class=\"layout_badh\"><\/div><\/section>\n\n\n\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block MovePnly\" id=\"\" style=\"background-color:#f5f7fa;padding-bottom:30px;padding-top:10px;\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in\" style=\"\">\n<div class=\"wp-block-column block_layout_in\">\n<h1 class=\"wp-block-heading has-text-align-center product-H-H1 has-medium-font-size\" style=\"text-transform:capitalize\"><span class=\"ez-toc-section\" id=\"Tower_Crane_Slewing_Ring\"><\/span>Couronne d'orientation pour grue \u00e0 tour<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p\" style=\"font-size:13px;line-height:26px;color:#666666;padding:1px 0px;\">\n<div class=\"wp-block-column\">\n<p class=\"has-text-align-center\">Fabriqu\u00e9 en acier forg\u00e9 42CrMo de haute puret\u00e9, combin\u00e9 \u00e0 un processus de durcissement par induction en profondeur, pour garantir que le roulement d'orientation de la grue \u00e0 tour dans des conditions de d\u00e9marrage et d'arr\u00eat fr\u00e9quents et de charge \u00e9lev\u00e9e de la r\u00e9sistance \u00e0 l'usure du chemin de roulement et de la r\u00e9sistance \u00e0 la rupture de la dent. Slewbearingtec est une usine source avec des capacit\u00e9s de fabrication compl\u00e8tes, \u00e9liminant les diff\u00e9rences commerciales, prenant en charge la personnalisation d'une pi\u00e8ce unique et la production de masse, et vous fournissant des prix de vente directs comp\u00e9titifs et une assurance qualit\u00e9 tra\u00e7able.<\/p>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-cover is-light productwzimage\" style=\"min-height:540px;aspect-ratio:unset;\"><img loading=\"lazy\" decoding=\"async\" width=\"1002\" height=\"789\" class=\"wp-block-cover__image-background wp-image-5624 size-full\" alt=\"Couronne d&#039;orientation pour grue \u00e0 tour \" src=\"https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2026\/02\/image-4.png\" data-object-fit=\"cover\" srcset=\"https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2026\/02\/image-4.png 1002w, https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2026\/02\/image-4-300x236.png 300w, https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2026\/02\/image-4-768x605.png 768w, https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2026\/02\/image-4-15x12.png 15w\" sizes=\"auto, (max-width: 1002px) 100vw, 1002px\" \/><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim-0 has-background-dim\" style=\"background-color:#f1f1f1\"><\/span><div class=\"wp-block-cover__inner-container\">\n<p class=\"has-text-align-center has-large-font-size\"><\/p>\n<\/div><\/div>\n\n\n\n<p><\/p>\n\n\n\n<div class=\"wp-block-columns is-not-stacked-on-mobile\">\n<div class=\"wp-block-column\">\n<p class=\"has-text-align-left has-cyan-bluish-gray-color has-text-color has-link-color has-small-font-size wp-elements-7d2b6951435949e941567930f1c64b68\">Acier forg\u00e9 42CrMo \/ 50Mn<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column\">\n<p class=\"has-monte-grey-color has-text-color has-link-color wp-elements-b1b05b2d7a968b19c9cf7048a9d62dfc\" style=\"font-size:14px;text-transform:capitalize\">Mat\u00e9riau des bagues int\u00e9rieure et ext\u00e9rieure<\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-not-stacked-on-mobile\">\n<div class=\"wp-block-column\">\n<p class=\"has-text-align-left has-cyan-bluish-gray-color has-text-color has-link-color has-small-font-size wp-elements-52f23f714f3a04ad3960bfad2b3f7575\">55-62 HRC<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column\">\n<p class=\"has-monte-grey-color has-text-color has-link-color wp-elements-bf5f73d86ec763a867d9ba0b438f71f5\" style=\"font-size:14px;text-transform:capitalize\">Duret\u00e9 de trempe des chemins de roulement<\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-not-stacked-on-mobile\">\n<div class=\"wp-block-column\">\n<p class=\"has-text-align-left has-cyan-bluish-gray-color has-text-color has-link-color has-small-font-size wp-elements-45cad378323236f6f059c6cc71be15c3\">3,5 mm.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column\">\n<p class=\"has-monte-grey-color has-text-color has-link-color wp-elements-983f9c0d96cbc7ce7a963fb8a4737cad\" style=\"font-size:14px;text-transform:capitalize\">Profondeur effective de la couche de durcissement<\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-themepark-block-btn themepark-i-btn-out shadow\" style=\"text-align:center;\"><div class=\"themepark-i-btn-out_ins\" style=\"\"><div class=\"themepark-i-btn-out_in\"><div class=\"themepark-i-btn\" style=\"background-color:#ff873d;color:#ffffff;font-size:16px;padding:10px 60px;\"><a href=\"#m-quote\" rel=\"noopener noreferrer \">Obtenir un devis<\/a><a class=\"hovers\" data-title=\"Get a Quote\" style=\"color:#ffffff;background-color:#005ca3;padding:10px 60px;\" href=\"#m-quote\" rel=\"noopener noreferrer\" target=\"_self\"><\/a><\/div><\/div><\/div><\/div>\n\n\n\n <div class=\"block_breadcrumbs\"><div class=\"breadcrumbs\"><nav> <a itemprop=\"breadcrumb\" href=\"https:\/\/www.slewbearingtec.com\/fr\">Accueil<\/a> \/ <\/nav><\/div><\/div>\n<\/div>\n<\/div><div class=\"layout_badh\"><\/div><\/section>\n\n\n\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block MovePnly\" id=\"\" style=\"padding-bottom:23px;padding-top:40px;\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in clomnnone\" style=\"\">\n<div class=\"wp-block-column block_layout_in\">\n<h2 class=\"wp-block-heading has-text-align-center product-H-H2 has-themecolor-1-color has-text-color has-link-color has-medium-font-size wp-elements-7f21d9100067b9e8cf3adf6e2111bdde\" style=\"text-transform:capitalize\"><span class=\"ez-toc-section\" id=\"Tower_Crane_Slewing_Ring_Characteristics-2\"><\/span>Caract\u00e9ristiques des couronnes d'orientation des grues \u00e0 tour<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block undefined\" id=\"\" style=\"background-color:#f7f7f7;\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in clomnnone\" style=\"\">\n<div class=\"wp-block-column block_layout_in\">\n<div class=\"wp-block-columns\">\n<div class=\"wp-block-column\">\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p  blog-jiange\" style=\"font-size:13px;line-height:26px;color:#211c1c;padding:10px 10px;\">\n<div class=\"wp-block-column\">\n<div class=\"wp-block-columns is-not-stacked-on-mobile\">\n<div class=\"wp-block-column\" style=\"flex-basis:16%\"><div class=\"wp-block-image\">\n<figure class=\"alignright size-full is-resized\"><img decoding=\"async\" src=\"https:\/\/www.kingpdc.com\/wp-content\/uploads\/2025\/12\/gear.webp\" alt=\"\" class=\"wp-image-14205\" style=\"width:32px\"><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-column\">\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h6 class=\"wp-block-heading has-text-align-left has-luminous-vivid-orange-color has-text-color has-link-color has-small-font-size wp-elements-1bb40080536a73ec4d2551cc527c5cc3\"><span class=\"ez-toc-section\" id=\"Optimized_heat_treatment_process_of_raceway-2\"><\/span>Optimisation du processus de traitement thermique du chemin de roulement<span class=\"ez-toc-section-end\"><\/span><\/h6>\n<\/div>\n<\/div>\n\n\n\n<p class=\"has-text-align-center\">Gr\u00e2ce \u00e0 la technologie de trempe par chauffage par induction \u00e0 moyenne fr\u00e9quence, la duret\u00e9 du chemin de roulement est strictement contr\u00f4l\u00e9e entre 55 et 62 HRC, et la profondeur de la couche durcie est sup\u00e9rieure \u00e0 3,5 mm. Ce processus emp\u00eache efficacement le d\u00e9collement et la d\u00e9formation plastique du chemin de roulement en cas de contact avec des contraintes \u00e9lev\u00e9es, et la dur\u00e9e de vie est prolong\u00e9e de plus de 40% par rapport aux produits de trempe superficielle ordinaires.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div><div class=\"layout_badh\"><\/div><\/section>\n\n\n\n<div style=\"height:5px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block undefined\" id=\"\" style=\"background-color:#f7f7f7;\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in clomnnone\" style=\"\">\n<div class=\"wp-block-column block_layout_in\">\n<div class=\"wp-block-columns\">\n<div class=\"wp-block-column\">\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p  blog-jiange\" style=\"font-size:13px;line-height:26px;color:#211c1c;padding:10px 10px;\">\n<div class=\"wp-block-column\">\n<div class=\"wp-block-columns is-not-stacked-on-mobile\">\n<div class=\"wp-block-column\" style=\"flex-basis:16%\"><div class=\"wp-block-image\">\n<figure class=\"alignright size-full is-resized\"><img decoding=\"async\" src=\"https:\/\/www.kingpdc.com\/wp-content\/uploads\/2025\/12\/gear.webp\" alt=\"\" class=\"wp-image-14205\" style=\"width:32px\"><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-column\">\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h6 class=\"wp-block-heading has-text-align-left has-luminous-vivid-orange-color has-text-color has-link-color has-small-font-size wp-elements-3bab17a4115733656b0fbfd2ea1d048c\"><span class=\"ez-toc-section\" id=\"High_impact_gear_design-2\"><\/span>Conception de l'engrenage \u00e0 haute r\u00e9sistance aux chocs<span class=\"ez-toc-section-end\"><\/span><\/h6>\n<\/div>\n<\/div>\n\n\n\n<p class=\"has-text-align-center\">Compte tenu de l'impact inertiel consid\u00e9rable de la rotation de la grue \u00e0 tour, nous effectuons un traitement de trempe de la surface de la dent de l'engrenage ou un traitement de trempe et de revenu. En optimisant le rayon du cong\u00e9 de la racine et la correction de la forme de la dent, la concentration des contraintes \u00e0 la surface de la dent est \u00e9limin\u00e9e et le risque de rupture de la dent peut \u00eatre r\u00e9duit \u00e0 moins de 0,1%, m\u00eame dans des conditions de charge de vent maximale et d'arr\u00eat d'urgence.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div><div class=\"layout_badh\"><\/div><\/section>\n\n\n\n<div style=\"height:5px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block undefined\" id=\"\" style=\"background-color:#f7f7f7;\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in clomnnone\" style=\"\">\n<div class=\"wp-block-column block_layout_in\">\n<div class=\"wp-block-columns\">\n<div class=\"wp-block-column\">\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p  blog-jiange\" style=\"font-size:13px;line-height:26px;color:#211c1c;padding:10px 10px;\">\n<div class=\"wp-block-column\">\n<div class=\"wp-block-columns is-not-stacked-on-mobile\">\n<div class=\"wp-block-column\" style=\"flex-basis:16%\"><div class=\"wp-block-image\">\n<figure class=\"alignright size-full is-resized\"><img decoding=\"async\" src=\"https:\/\/www.kingpdc.com\/wp-content\/uploads\/2025\/12\/gear.webp\" alt=\"\" class=\"wp-image-14205\" style=\"width:32px\"><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-column\">\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h6 class=\"wp-block-heading has-text-align-left has-luminous-vivid-orange-color has-text-color has-link-color has-small-font-size wp-elements-0bb36413be6392a11777955ba7a8b0ab\"><span class=\"ez-toc-section\" id=\"Precision_Grinding_Reduces_Gap_Wear-2\"><\/span>La rectification de pr\u00e9cision r\u00e9duit l'usure de l'entrefer<span class=\"ez-toc-section-end\"><\/span><\/h6>\n<\/div>\n<\/div>\n\n\n\n<p class=\"has-text-align-center\">Tous les roulements d'orientation des grues \u00e0 tour sont rectifi\u00e9s avec pr\u00e9cision avant de quitter l'usine afin de contr\u00f4ler le jeu axial et radial dans la moiti\u00e9 de la tol\u00e9rance standard de l'industrie. La coordination de haute pr\u00e9cision r\u00e9duit consid\u00e9rablement l'amplitude de balancement du bras de la tour, am\u00e9liore la pr\u00e9cision de positionnement de l'op\u00e9ration de levage et r\u00e9duit les dommages caus\u00e9s par la charge d'impact \u00e0 la bille interne.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div><div class=\"layout_badh\"><\/div><\/section>\n\n\n\n<div style=\"height:5px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block undefined\" id=\"\" style=\"background-color:#f7f7f7;\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in clomnnone\" style=\"\">\n<div class=\"wp-block-column block_layout_in\">\n<div class=\"wp-block-columns\">\n<div class=\"wp-block-column\">\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p  blog-jiange\" style=\"font-size:13px;line-height:26px;color:#211c1c;padding:10px 10px;\">\n<div class=\"wp-block-column\">\n<div class=\"wp-block-columns is-not-stacked-on-mobile\">\n<div class=\"wp-block-column\" style=\"flex-basis:16%\"><div class=\"wp-block-image\">\n<figure class=\"alignright size-full is-resized\"><img decoding=\"async\" src=\"https:\/\/www.kingpdc.com\/wp-content\/uploads\/2025\/12\/gear.webp\" alt=\"\" class=\"wp-image-14205\" style=\"width:32px\"><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-column\">\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h6 class=\"wp-block-heading has-text-align-left has-luminous-vivid-orange-color has-text-color has-link-color has-small-font-size wp-elements-2fcd0750fa6a4c2fe7ca5daaf12e7857\"><span class=\"ez-toc-section\" id=\"Reinforced_sealing_system-2\"><\/span>Syst\u00e8me d'\u00e9tanch\u00e9it\u00e9 renforc\u00e9<span class=\"ez-toc-section-end\"><\/span><\/h6>\n<\/div>\n<\/div>\n\n\n\n<p class=\"has-text-align-center\">\u00c9tant donn\u00e9 que la grue \u00e0 tour travaille en plein air, dans un environnement poussi\u00e9reux et tr\u00e8s humide tout au long de l'ann\u00e9e, nous sommes \u00e9quip\u00e9s d'une bande d'\u00e9tanch\u00e9it\u00e9 \u00e0 double l\u00e8vre antivieillissement. Cette conception permet d'emp\u00eacher efficacement l'eau de pluie et la poussi\u00e8re de construction d'envahir le chemin de roulement, d'\u00e9viter la perte de graisse, de prolonger le cycle de maintenance d'une fois par semaine \u00e0 une fois toutes les deux semaines, et de r\u00e9duire consid\u00e9rablement les co\u00fbts de maintenance.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div><div class=\"layout_badh\"><\/div><\/section>\n\n\n\n<div style=\"height:5px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block undefined\" id=\"\" style=\"background-color:#f7f7f7;\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in clomnnone\" style=\"\">\n<div class=\"wp-block-column block_layout_in\">\n<div class=\"wp-block-columns\">\n<div class=\"wp-block-column\">\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p  blog-jiange\" style=\"font-size:13px;line-height:26px;color:#211c1c;padding:10px 10px;\">\n<div class=\"wp-block-column\">\n<div class=\"wp-block-columns is-not-stacked-on-mobile\">\n<div class=\"wp-block-column\" style=\"flex-basis:16%\"><div class=\"wp-block-image\">\n<figure class=\"alignright size-full is-resized\"><img decoding=\"async\" src=\"https:\/\/www.kingpdc.com\/wp-content\/uploads\/2025\/12\/gear.webp\" alt=\"\" class=\"wp-image-14205\" style=\"width:32px\"><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-column\">\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h6 class=\"wp-block-heading has-text-align-left has-luminous-vivid-orange-color has-text-color has-link-color has-small-font-size wp-elements-043bd7c22f78d7812052270c233fd262\"><span class=\"ez-toc-section\" id=\"Strict_inspection_of_raw_materials-2\"><\/span>Inspection stricte des mati\u00e8res premi\u00e8res<span class=\"ez-toc-section-end\"><\/span><\/h6>\n<\/div>\n<\/div>\n\n\n\n<p class=\"has-text-align-center\">Chaque \u00e9bauche de forgeage est soumise \u00e0 une d\u00e9tection des d\u00e9fauts par ultrasons 100% avant d'\u00eatre trait\u00e9e, afin de garantir l'absence de d\u00e9fauts tels que des fissures, des pores ou des inclusions de scories dans le mat\u00e9riau. \u00c0 partir de la source, la d\u00e9faillance structurelle catastrophique caus\u00e9e par la fatigue des mat\u00e9riaux est \u00e9limin\u00e9e et la s\u00e9curit\u00e9 structurelle de la grue \u00e0 tour est garantie tout au long de son cycle de vie.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div><div class=\"layout_badh\"><\/div><\/section>\n\n\n\n<div style=\"height:5px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block undefined\" id=\"\" style=\"background-color:#f7f7f7;\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in clomnnone\" style=\"\">\n<div class=\"wp-block-column block_layout_in\">\n<div class=\"wp-block-columns\">\n<div class=\"wp-block-column\">\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p  blog-jiange\" style=\"font-size:13px;line-height:26px;color:#211c1c;padding:10px 10px;\">\n<div class=\"wp-block-column\">\n<div class=\"wp-block-columns is-not-stacked-on-mobile\">\n<div class=\"wp-block-column\" style=\"flex-basis:16%\"><div class=\"wp-block-image\">\n<figure class=\"alignright size-full is-resized\"><img decoding=\"async\" src=\"https:\/\/www.kingpdc.com\/wp-content\/uploads\/2025\/12\/gear.webp\" alt=\"\" class=\"wp-image-14205\" style=\"width:32px\"><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-column\">\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h6 class=\"wp-block-heading has-text-align-left has-luminous-vivid-orange-color has-text-color has-link-color has-small-font-size wp-elements-a9cef7c5bb874e1c44fb106fdd7a6758\"><span class=\"ez-toc-section\" id=\"Comprehensive_anti-corrosion_coating-2\"><\/span>Rev\u00eatement anticorrosion complet<span class=\"ez-toc-section-end\"><\/span><\/h6>\n<\/div>\n<\/div>\n\n\n\n<p class=\"has-text-align-center\">La surface ext\u00e9rieure adopte le double syst\u00e8me de protection d'un appr\u00eat \u00e9poxy riche en zinc et d'une couche de finition en polyur\u00e9thane, et l'\u00e9paisseur du film de peinture est sup\u00e9rieure \u00e0 120 microns. Apr\u00e8s 480 heures d'essais au brouillard salin, le rev\u00eatement peut r\u00e9sister efficacement aux pluies acides et \u00e0 la corrosion atmosph\u00e9rique marine, ce qui garantit la durabilit\u00e9 \u00e0 long terme du produit dans les zones c\u00f4ti\u00e8res ou de pollution industrielle.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div><div class=\"layout_badh\"><\/div><\/section>\n<\/div>\n<\/div><div class=\"layout_badh\"><\/div><\/section>\n\n\n\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block MovePnly\" id=\"\" style=\"padding-bottom:40px;padding-top:40px;\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in\" style=\"\">\n<div class=\"wp-block-column block_layout_in\">\n<h2 class=\"wp-block-heading has-text-align-center product-H-H2 has-themecolor-1-color has-text-color has-link-color has-medium-font-size wp-elements-3e22675a3a910ad46aac3c30f87d0fbf\" style=\"text-transform:capitalize\"><span class=\"ez-toc-section\" id=\"Tower_Crane_Slewing_Ring_Detailed_Specifications-2\"><\/span>Sp\u00e9cifications d\u00e9taill\u00e9es de la couronne d'orientation pour grue \u00e0 tour<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-fixed-layout\"><tbody><tr><td>Cat\u00e9gories de param\u00e8tres<\/td><td>Sp\u00e9cifications techniques<\/td><td>Remarque<\/td><\/tr><tr><td><strong>Structure du produit<\/strong><\/td><td>Type \u00e0 une rang\u00e9e de billes \u00e0 quatre points de contact \/ Type \u00e0 deux rang\u00e9es de billes \/ Type \u00e0 trois rang\u00e9es de rouleaux<\/td><td>S\u00e9lection en fonction du tonnage de la charge<\/td><\/tr><tr><td><strong>diam\u00e8tre du chemin de roulement<\/strong><\/td><td>1000mm - 2800mm (gamme commune)<\/td><td>Grandes tailles disponibles<\/td><\/tr><tr><td><strong>Qualit\u00e9 des mat\u00e9riaux<\/strong><\/td><td>42CrMo4 (EN 19) \/ 50Mn<\/td><td>Forgeage, normalisation et trempe<\/td><\/tr><tr><td><strong>r\u00e9sistance \u00e0 la traction<\/strong><\/td><td>\u2265 980 MPa<\/td><td>Propri\u00e9t\u00e9s m\u00e9caniques du noyau<\/td><\/tr><tr><td><strong>Limite d'\u00e9lasticit\u00e9<\/strong><\/td><td>\u2265 850 MPa<\/td><td>Propri\u00e9t\u00e9s m\u00e9caniques du noyau<\/td><\/tr><tr><td><strong>Puissance d'impact<\/strong><\/td><td>\u2265 27 J (-20\u00b0C)<\/td><td>Protection de la t\u00e9nacit\u00e9 \u00e0 basse temp\u00e9rature<\/td><\/tr><tr><td><strong>Module d'engrenage<\/strong><\/td><td>10mm - 24mm<\/td><td>Les modules plus grands ont une plus grande capacit\u00e9 de charge<\/td><\/tr><tr><td><strong>Tol\u00e9rance des trous de boulons<\/strong><\/td><td>H9 \/ H10<\/td><td>Assurer la pr\u00e9cision de l'installation<\/td><\/tr><tr><td><strong>M\u00e9thode de lubrification<\/strong><\/td><td>Interface de lubrification centralis\u00e9e \/ Graisseur manuel<\/td><td>Interface standard r\u00e9serv\u00e9e<\/td><\/tr><tr><td><strong>Adaptation de la temp\u00e9rature<\/strong><\/td><td>De -40\u00b0C \u00e0 +60\u00b0C<\/td><td>Des huiles sp\u00e9ciales sont n\u00e9cessaires dans les environnements extr\u00eames<\/td><\/tr><tr><td><strong>Suivre les normes<\/strong><\/td><td>JG\/T 66-1999, JB\/T 10471<\/td><td>Conforme aux normes applicables aux engins de chantier<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n<\/div><div class=\"layout_badh\"><\/div><\/section>\n\n\n\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block MovePnly\" id=\"\" style=\"background-color:#f7f7f7;padding-bottom:40px;padding-top:30px;\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in\" style=\"\">\n<div class=\"wp-block-column block_layout_in\">\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p  blog-jiange\" style=\"font-size:13px;line-height:26px;color:#666666;padding:10px 0px;\">\n<div class=\"wp-block-column\">\n<h2 class=\"wp-block-heading has-text-align-center product-H-H2 has-medium-font-size\"><span class=\"ez-toc-section\" id=\"Tower_Crane_Slewing_Ring_Comparison_Point-2\"><\/span>Comparaison des couronnes d'orientation des grues \u00e0 tour<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"has-text-align-center\"><\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-cover is-light productwzimage\" style=\"min-height:315px;aspect-ratio:unset;\"><img loading=\"lazy\" decoding=\"async\" width=\"1002\" height=\"789\" class=\"wp-block-cover__image-background wp-image-5623 size-full\" alt=\"Couronne d&#039;orientation pour grue \u00e0 tour \" src=\"https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2026\/02\/image-3.png\" data-object-fit=\"cover\" srcset=\"https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2026\/02\/image-3.png 1002w, https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2026\/02\/image-3-300x236.png 300w, https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2026\/02\/image-3-768x605.png 768w, https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2026\/02\/image-3-15x12.png 15w\" sizes=\"auto, (max-width: 1002px) 100vw, 1002px\" \/><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim-0 has-background-dim\" style=\"background-color:#f1f1f1\"><\/span><div class=\"wp-block-cover__inner-container\">\n<p class=\"has-text-align-center has-large-font-size\"><\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-columns is-not-stacked-on-mobile\">\n<div class=\"wp-block-column\" style=\"flex-basis:15%\">\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"alignright size-full is-resized\"><img decoding=\"async\" src=\"https:\/\/www.lianxi.fun\/wp-content\/uploads\/2025\/12\/solution.png\" alt=\"\" class=\"wp-image-13399\" style=\"width:32px\"><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-column\">\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p\" style=\"font-size:13px;line-height:26px;color:#666666;padding:10px 0px;\">\n<div class=\"wp-block-column\">\n<h6 class=\"wp-block-heading has-small-font-size\"><span class=\"ez-toc-section\" id=\"Solving_the_problem_of_gear_fracture_under_high-frequency_operation-2\"><\/span>R\u00e9solution du probl\u00e8me de la rupture des engrenages en cas de fonctionnement \u00e0 haute fr\u00e9quence<span class=\"ez-toc-section-end\"><\/span><\/h6>\n\n\n\nLes paliers d'orientation ordinaires des grues \u00e0 tour commencent souvent \u00e0 freiner, et la racine de la dent se fracture facilement en raison de la fatigue. Le Slewbearingtec am\u00e9liore la r\u00e9sistance \u00e0 la fatigue de la racine de la dent par grenaillage et adopte la conception de l'engrenage variable, ce qui r\u00e9sout compl\u00e8tement le danger cach\u00e9 de l'effondrement de la dent dans des conditions de charge lourde et garantit la s\u00e9curit\u00e9 de la construction.\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-not-stacked-on-mobile\">\n<div class=\"wp-block-column\" style=\"flex-basis:15%\">\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"alignright size-full is-resized\"><img decoding=\"async\" src=\"https:\/\/www.lianxi.fun\/wp-content\/uploads\/2025\/12\/solution.png\" alt=\"\" class=\"wp-image-13399\" style=\"width:32px\"><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-column\">\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p\" style=\"font-size:13px;line-height:26px;color:#666666;padding:10px 0px;\">\n<div class=\"wp-block-column\">\n<h6 class=\"wp-block-heading has-small-font-size\"><span class=\"ez-toc-section\" id=\"Solve_internal_rust_sticking_caused_by_bad_weather-2\"><\/span>R\u00e9soudre les probl\u00e8mes de rouille interne caus\u00e9s par les intemp\u00e9ries<span class=\"ez-toc-section-end\"><\/span><\/h6>\n\n\n\nCompte tenu du fait que le support de la grue \u00e0 tour dans les r\u00e9gions c\u00f4ti\u00e8res et pluvieuses est sujet \u00e0 la corrosion par l'eau, nous avons optimis\u00e9 la structure de la rainure d'\u00e9tanch\u00e9it\u00e9 et utilis\u00e9 des bandes d'\u00e9tanch\u00e9it\u00e9 en caoutchouc sp\u00e9cial ayant une forte r\u00e9sistance aux intemp\u00e9ries. Cette am\u00e9lioration r\u00e9sout les probl\u00e8mes de corrosion des billes et de d\u00e9t\u00e9rioration de la graisse caus\u00e9s par l'infiltration d'eau, et garantit le bon fonctionnement du m\u00e9canisme pendant les saisons humides.\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-not-stacked-on-mobile\">\n<div class=\"wp-block-column\" style=\"flex-basis:15%\">\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"alignright size-full is-resized\"><img decoding=\"async\" src=\"https:\/\/www.lianxi.fun\/wp-content\/uploads\/2025\/12\/solution.png\" alt=\"\" class=\"wp-image-13399\" style=\"width:32px\"><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-column\">\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p\" style=\"font-size:13px;line-height:26px;color:#666666;padding:10px 0px;\">\n<div class=\"wp-block-column\">\n<h6 class=\"wp-block-heading has-small-font-size\"><span class=\"ez-toc-section\" id=\"Solve_the_problem_of_excessive_shaking_after_long-term_use-2\"><\/span>R\u00e9soudre le probl\u00e8me des secousses excessives apr\u00e8s une utilisation prolong\u00e9e<span class=\"ez-toc-section-end\"><\/span><\/h6>\n\n\n\nApr\u00e8s un an d'utilisation des produits traditionnels, l'\u00e9cart est souvent trop important en raison de l'usure du chemin de roulement, ce qui entra\u00eene un balancement important \u00e0 l'extr\u00e9mit\u00e9 du bras de la tour. Le Slewbearingtec utilise une couche de durcissement par induction \u00e0 grande profondeur pour garantir un taux d'usure extr\u00eamement faible et r\u00e9soudre le probl\u00e8me de la grue \u00e0 tour qui ne peut pas passer l'inspection annuelle ou qui n\u00e9cessite des ajustements et une maintenance fr\u00e9quents en raison de l'augmentation de l'\u00e9cartement.\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div><div class=\"layout_badh\"><\/div><\/section>\n\n\n\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block MovePnly\" id=\"\" style=\"padding-bottom:55px;padding-top:37px;\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in\" style=\"\">\n<div class=\"wp-block-column block_layout_in\">\n<h2 class=\"wp-block-heading has-text-align-center product-H-H2 has-themecolor-1-color has-text-color has-link-color has-medium-font-size\" style=\"text-transform:capitalize\"><span class=\"ez-toc-section\" id=\"Tower_Crane_Slewing_Ring_applicable_crowd-2\"><\/span>Couronne d'orientation pour grue \u00e0 tour foule applicable<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-columns\">\n<div class=\"wp-block-column\">\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block undefined  productArenqun\" id=\"\" style=\"\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in\" style=\"\">\n<div class=\"wp-block-column block_layout_in\">\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p  blog-jiange\" style=\"font-size:14px;line-height:26px;color:#666666;padding:20px 25px;\">\n<div class=\"wp-block-column\">\n<h2 class=\"wp-block-heading has-text-align-center has-themecolor-1-color has-text-color has-link-color\" style=\"font-size:20px\"><span class=\"ez-toc-section\" id=\"Construction_crane_leasing_company-2\"><\/span>Soci\u00e9t\u00e9 de location de grues de construction<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"has-text-align-center\">Pour les soci\u00e9t\u00e9s de cr\u00e9dit-bail poss\u00e9dant un grand nombre de grues \u00e0 tour, la pr\u00e9servation des actifs et le faible taux de d\u00e9faillance des \u00e9quipements sont des exigences essentielles. La grande durabilit\u00e9 de ce produit r\u00e9duit la fr\u00e9quence de remplacement, peut s'adapter aux conditions de travail complexes des diff\u00e9rents sites de construction et r\u00e9duit le co\u00fbt de maintenance de l'ensemble du cycle de vie. C'est un choix id\u00e9al pour le renouvellement des pi\u00e8ces du parc locatif.<\/p>\n<\/div>\n<\/div>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"906\" height=\"750\" src=\"https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2026\/02\/image-5-5.jpg\" alt=\"Couronne d&#039;orientation pour grue \u00e0 tour foule applicable\" class=\"wp-image-5636\" srcset=\"https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2026\/02\/image-5-5.jpg 906w, https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2026\/02\/image-5-5-300x248.jpg 300w, https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2026\/02\/image-5-5-768x636.jpg 768w, https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2026\/02\/image-5-5-14x12.jpg 14w\" sizes=\"auto, (max-width: 906px) 100vw, 906px\" \/><\/figure>\n<\/div>\n<\/div><div class=\"layout_badh\"><\/div><\/section>\n<\/div>\n\n\n\n<div class=\"wp-block-column\">\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block undefined  productArenqun\" id=\"\" style=\"\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in\" style=\"\">\n<div class=\"wp-block-column block_layout_in\">\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p  blog-jiange\" style=\"font-size:14px;line-height:26px;color:#666666;padding:20px 25px;\">\n<div class=\"wp-block-column\">\n<h2 class=\"wp-block-heading has-text-align-center has-themecolor-1-color has-text-color has-link-color\" style=\"font-size:20px\"><span class=\"ez-toc-section\" id=\"Tower_crane_maintenance_and_remanufacturing_service_provider-2\"><\/span>Fournisseur de services de maintenance et de remise \u00e0 neuf de grues \u00e0 tour<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"has-text-align-center\">Les prestataires de services professionnels ont besoin de pi\u00e8ces de rechange dont les dimensions sont pr\u00e9cises et qui sont faciles \u00e0 installer. Notre couronne d'orientation pour grue \u00e0 tour respecte strictement les normes de taille OEM, un contr\u00f4le pr\u00e9cis des tol\u00e9rances et peut \u00eatre install\u00e9e directement sans traitement secondaire sur site, ce qui aide les prestataires de services \u00e0 r\u00e9duire les temps d'arr\u00eat pour la maintenance et \u00e0 am\u00e9liorer la satisfaction des clients.<\/p>\n<\/div>\n<\/div>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"909\" height=\"750\" src=\"https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2026\/02\/image-5-6.jpg\" alt=\"Couronne d&#039;orientation pour grue \u00e0 tour foule applicable\" class=\"wp-image-5637\" srcset=\"https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2026\/02\/image-5-6.jpg 909w, https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2026\/02\/image-5-6-300x248.jpg 300w, https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2026\/02\/image-5-6-768x634.jpg 768w, https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2026\/02\/image-5-6-15x12.jpg 15w\" sizes=\"auto, (max-width: 909px) 100vw, 909px\" \/><\/figure>\n<\/div>\n<\/div><div class=\"layout_badh\"><\/div><\/section>\n<\/div>\n\n\n\n<div class=\"wp-block-column\">\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block undefined  productArenqun\" id=\"\" style=\"\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in\" style=\"\">\n<div class=\"wp-block-column block_layout_in\">\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p  blog-jiange\" style=\"font-size:14px;line-height:26px;color:#666666;padding:20px 25px;\">\n<div class=\"wp-block-column\">\n<h2 class=\"wp-block-heading has-text-align-center has-themecolor-1-color has-text-color has-link-color\" style=\"font-size:20px\"><span class=\"ez-toc-section\" id=\"Port_and_Terminal_Operating_Unit-2\"><\/span>Unit\u00e9 d'exploitation des ports et des terminaux<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"has-text-align-center\">La grue \u00e0 portique portuaire a une intensit\u00e9 de travail \u00e9lev\u00e9e et des exigences \u00e9lev\u00e9es en mati\u00e8re de r\u00e9sistance \u00e0 la corrosion et de capacit\u00e9 de fonctionnement continu. Pour ces utilisateurs, nous fournissons des produits de soutien dot\u00e9s d'un rev\u00eatement anticorrosion am\u00e9lior\u00e9 et d'une conception robuste afin de garantir des performances de rotation stables \u00e0 long terme dans un environnement de brouillard salin et de r\u00e9duire les retards logistiques caus\u00e9s par les temps d'arr\u00eat et la maintenance.<\/p>\n<\/div>\n<\/div>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"908\" height=\"752\" src=\"https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2026\/02\/image-5-7.jpg\" alt=\"Couronne d&#039;orientation pour grue \u00e0 tour foule applicable\" class=\"wp-image-5638\" srcset=\"https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2026\/02\/image-5-7.jpg 908w, https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2026\/02\/image-5-7-300x248.jpg 300w, https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2026\/02\/image-5-7-768x636.jpg 768w, https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2026\/02\/image-5-7-14x12.jpg 14w\" sizes=\"auto, (max-width: 908px) 100vw, 908px\" \/><\/figure>\n<\/div>\n<\/div><div class=\"layout_badh\"><\/div><\/section>\n<\/div>\n\n\n\n<div class=\"wp-block-column\">\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block undefined  productArenqun\" id=\"\" style=\"\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in\" style=\"\">\n<div class=\"wp-block-column block_layout_in\">\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p  blog-jiange\" style=\"font-size:14px;line-height:26px;color:#666666;padding:20px 25px;\">\n<div class=\"wp-block-column\">\n<h2 class=\"wp-block-heading has-text-align-center has-themecolor-1-color has-text-color has-link-color\" style=\"font-size:20px\"><span class=\"ez-toc-section\" id=\"large_steel_structure_construction_enterprise-2\"><\/span>entreprise de construction de grandes structures en acier<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"has-text-align-center\">Dans le cadre du levage de structures m\u00e9talliques de grande hauteur, la pr\u00e9cision de la position est tr\u00e8s \u00e9lev\u00e9e. La conception \u00e0 faible d\u00e9gagement de ce produit am\u00e9liore consid\u00e9rablement la stabilit\u00e9 de positionnement du crochet, aide l'entreprise de construction \u00e0 \u00eatre plus pratique dans l'arrimage des composants de pr\u00e9cision, et am\u00e9liore l'efficacit\u00e9 et la s\u00e9curit\u00e9 de la construction.<\/p>\n<\/div>\n<\/div>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"907\" height=\"751\" src=\"https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2026\/02\/image-5-8.jpg\" alt=\"Couronne d&#039;orientation pour grue \u00e0 tour foule applicable\" class=\"wp-image-5639\" srcset=\"https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2026\/02\/image-5-8.jpg 907w, https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2026\/02\/image-5-8-300x248.jpg 300w, https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2026\/02\/image-5-8-768x636.jpg 768w, https:\/\/www.slewbearingtec.com\/wp-content\/uploads\/2026\/02\/image-5-8-14x12.jpg 14w\" sizes=\"auto, (max-width: 907px) 100vw, 907px\" \/><\/figure>\n<\/div>\n<\/div><div class=\"layout_badh\"><\/div><\/section>\n<\/div>\n<\/div>\n<\/div>\n<\/div><div class=\"layout_badh\"><\/div><\/section>\n\n\n\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block MovePnly\" id=\"\" style=\"padding-bottom:68px;padding-top:72px;\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in\" style=\"\">\n<div class=\"wp-block-column block_layout_in\">\n<h2 class=\"wp-block-heading has-text-align-center product-H-H2 has-themecolor-1-color has-text-color has-link-color has-medium-font-size\" style=\"text-transform:capitalize\"><span class=\"ez-toc-section\" id=\"Tower_Crane_Slewing_Ring_instructions_for_use-2\"><\/span>Instructions d'utilisation de la couronne d'orientation pour grue \u00e0 tour<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-columns\">\n<div class=\"wp-block-column productAinstall1-Axunting\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img decoding=\"async\" src=\"https:\/\/www.kingpdc.com\/wp-content\/uploads\/2026\/01\/011.png\" alt=\"\" class=\"wp-image-14289\" style=\"width:106px;height:auto\"><\/figure>\n<\/div>\n\n\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p\" style=\"font-size:12px;line-height:20px;padding:3px 0px;\">\n<div class=\"wp-block-column\">\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p\" style=\"font-size:16px;line-height:26px;color:#666666;padding:1px 0px;\">\n<div class=\"wp-block-column\">\n<h2 class=\"wp-block-heading has-text-align-center has-themecolor-1-color has-text-color has-link-color\" style=\"font-size:18px\"><span class=\"ez-toc-section\" id=\"Stepwise_Application_of_Bolt_Preload-2\"><\/span>Application progressive de la pr\u00e9charge du boulon<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"has-text-align-center\" style=\"font-size:15px\">Lors de l'installation, il est strictement interdit de serrer les boulons en place en une seule fois. Une cl\u00e9 dynamom\u00e9trique doit \u00eatre utilis\u00e9e pour serrer progressivement les boulons \u00e0 haute r\u00e9sistance en trois fois (30%, 80% et couple 100) selon le principe de la diagonale pour s'assurer que la bague de roulement est uniform\u00e9ment sollicit\u00e9e et pour emp\u00eacher la d\u00e9formation du chemin de roulement caus\u00e9e par les contraintes de l'installation.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column productAinstall1-Axunting\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img decoding=\"async\" src=\"https:\/\/www.kingpdc.com\/wp-content\/uploads\/2026\/01\/022.png\" alt=\"\" class=\"wp-image-14290\" style=\"width:106px;height:auto\"><\/figure>\n<\/div>\n\n\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p\" style=\"font-size:12px;line-height:20px;padding:3px 0px;\">\n<div class=\"wp-block-column\">\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p\" style=\"font-size:16px;line-height:26px;color:#666666;padding:1px 0px;\">\n<div class=\"wp-block-column\">\n<h2 class=\"wp-block-heading has-text-align-center has-themecolor-1-color has-text-color has-link-color\" style=\"font-size:18px\"><span class=\"ez-toc-section\" id=\"Regular_grease_replenishment_schedule-2\"><\/span>Calendrier r\u00e9gulier de r\u00e9approvisionnement en graisse<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"has-text-align-center\" style=\"font-size:15px\">Il est recommand\u00e9 d'ajouter de la graisse au lithium au chemin de roulement toutes les 100 heures de travail, et de nettoyer et d'huiler la surface des dents toutes les 300 heures de travail. Pendant le remplissage d'huile, faire tourner lentement la couronne d'orientation jusqu'\u00e0 ce que la nouvelle graisse d\u00e9borde de la bande d'\u00e9tanch\u00e9it\u00e9 afin de s'assurer que l'ancienne graisse et les impuret\u00e9s sont compl\u00e8tement \u00e9vacu\u00e9es.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column productAinstall1-Axunting\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img decoding=\"async\" src=\"https:\/\/www.kingpdc.com\/wp-content\/uploads\/2026\/01\/033.png\" alt=\"\" class=\"wp-image-14291\" style=\"width:106px;height:auto\"><\/figure>\n<\/div>\n\n\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p\" style=\"font-size:12px;line-height:20px;padding:3px 0px;\">\n<div class=\"wp-block-column\">\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p\" style=\"font-size:16px;line-height:26px;color:#666666;padding:1px 0px;\">\n<div class=\"wp-block-column\">\n<h2 class=\"wp-block-heading has-text-align-center has-themecolor-1-color has-text-color has-link-color\" style=\"font-size:18px\"><span class=\"ez-toc-section\" id=\"Inspection_of_gear_meshing_clearance-2\"><\/span>Inspection du jeu d'engr\u00e8nement de l'engrenage<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"has-text-align-center\" style=\"font-size:15px\">Apr\u00e8s l'installation et apr\u00e8s 100 heures d'utilisation initiale, le jeu d'engr\u00e8nement entre le pignon et la couronne d'orientation doit \u00eatre v\u00e9rifi\u00e9. Si le jeu est trop faible, il provoque des bruits et une usure anormale, et si le jeu est trop important, il provoque des chocs. Veillez \u00e0 ajuster la position du pignon pour maintenir le jeu d'engr\u00e8nement en chaque point conform\u00e9ment aux exigences techniques.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column productAinstall1-Axunting\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img decoding=\"async\" src=\"https:\/\/www.kingpdc.com\/wp-content\/uploads\/2026\/01\/044.png\" alt=\"\" class=\"wp-image-14292\" style=\"width:106px;height:auto\"><\/figure>\n<\/div>\n\n\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p\" style=\"font-size:12px;line-height:20px;padding:3px 0px;\">\n<div class=\"wp-block-column\">\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p\" style=\"font-size:16px;line-height:26px;color:#666666;padding:1px 0px;\">\n<div class=\"wp-block-column\">\n<h2 class=\"wp-block-heading has-text-align-center has-themecolor-1-color has-text-color has-link-color\" style=\"font-size:18px\"><span class=\"ez-toc-section\" id=\"Abnormal_noise_and_operation_condition_monitoring-2\"><\/span>Surveillance des bruits anormaux et des conditions de fonctionnement<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"has-text-align-center\" style=\"font-size:15px\">L'op\u00e9rateur doit pr\u00eater attention au bruit de la rotation tous les jours. S'il entend r\u00e9guli\u00e8rement un \u201cclic\u201d ou un grincement de m\u00e9tal, il doit imm\u00e9diatement arr\u00eater la machine pour l'inspecter. Il s'agit g\u00e9n\u00e9ralement d'un signe pr\u00e9curseur d'un \u00e9caillage du chemin de roulement ou d'un desserrage des boulons, et une inspection en temps utile peut \u00e9viter de graves accidents de renversement.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div><div class=\"layout_badh\"><\/div><\/section>\n\n\n\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block MovePnly\" id=\"\" style=\"padding-bottom:40px;padding-top:40px;\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in\" style=\"\">\n<div class=\"wp-block-column block_layout_in\">\n<h2 class=\"wp-block-heading has-text-align-center H2:Know Us and Contact has-medium-font-size\" style=\"text-transform:capitalize\"><span class=\"ez-toc-section\" id=\"Know_Us_and_Contact_Us\"><\/span>Nous conna\u00eetre et nous contacter<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center has-monte-grey-color has-text-color has-link-color has-medium-font-size wp-elements-e7ef094161f86bc679a3fe601c773619\" id=\"m-quote\"><span class=\"ez-toc-section\" id=\"Get_a_Free_Quote_Today\"><\/span><strong><strong><strong>Obtenir gratuitement <mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-themecolor-1-color\">Citation<\/mark> Aujourd'hui.<\/strong><\/strong><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-themepark-block-themepark-comment thempark-block themepark-comment fromnopading undefined\" style=\"max-width:760px;\"><div class=\"themepark-comment_in\" id=\"ud_form\"><div class=\"themepark-comment_inb2\"><div class=\"themepark-comment_inb\" style=\"background-color:#ffffff;\"><div class=\"themepark-comment_form nolable\" style=\"\"><form id=\"commentform-park\" class=\"themepark-c-f\" action=\"https:\/\/www.slewbearingtec.com\/wp-comments-post.php\" method=\"post\" autocomplete=\"off\" data-trp-original-action=\"https:\/\/www.slewbearingtec.com\/wp-comments-post.php\"><div class=\"themepark-comment_form_box tptext\" style=\"font-size:15px;\"><lable for=\"tpcommet0\" class=\"\"><input type=\"text\" id=\"tpcommet0\" name=\"tpcommet0\" size=\"28\" style=\"border: solid 1px #ffffff;background-color: #a0c6e51a;\" placeholder=\"Nom\"\/><\/lable><\/div><div class=\"themepark-comment_form_box tptext mail-c\" style=\"font-size:15px;\"><lable for=\"tpcommet1\" class=\"required\"><input type=\"text\" class=\"f-email\" id=\"tpcommet1\" name=\"tpcommet1\" size=\"28\" required style=\"border: solid 1px #ffffff;background-color: #a0c6e51a;\" placeholder=\"Courrier \u00e9lectronique\"\/><span class=\"required\">*<div class=\"required_tishi animated\"><i class=\"fas fa-exclamation-circle\"><\/i><span><\/span><\/div><\/span><\/lable><\/div><div class=\"themepark-comment_form_box tpTextarea\" style=\"font-size:15px;\"><lable for=\"tpcommet2\"><textarea id=\"tpcommet2\" name=\"tpcommet2\" style=\"border: solid 1px #ffffff;background-color: #a0c6e51a;\" placeholder=\"Votre question\"><\/textarea><\/lable><\/div><div class=\"hiddeninput\"><input name=\"comment_post_ID\" type=\"hidden\" value=\"13125\"\/><input name=\"author\" type=\"hidden\" class=\"author\"\/><input name=\"email\" type=\"hidden\" class=\"email\"\/><textarea name=\"comment\" style=\"display:none\" class=\"comment\"><\/textarea><input name=\"themeparklable\" type=\"hidden\" value=\"Name|E-mail|Your Question\"\/><input name=\"themeparktype\" type=\"hidden\" value=\"text|text2|Textarea\"\/><input name=\"redirect_to\" type=\"hidden\" value=\"https:\/\/www.slewbearingtec.com\"\/><input name=\"inquiryid\" type=\"hidden\"\/><input name=\"inquirytime\" type=\"hidden\"\/><input name=\"position\" type=\"hidden\"\/><\/div><div class=\"submut_box\"><input type=\"submit\" class=\"submut_btn\" name=\"submit\" style=\"background:#ff873d;\" value=\"Envoyer un devis\"\/><div class=\"tishi\" style=\"\"><div class=\"loading\" style=\"\"><i class=\"fas fa-spinner\"><\/i>Soumettre !<\/div><div class=\"success\" style=\"\"><i class=\"fas fa-check\"><\/i>Succ\u00e8s !<\/div><div class=\"erro\" style=\"\"><i class=\"fas fa-exclamation-circle\"><\/i>\u00c9chec de la soumission ! Veuillez r\u00e9essayer plus tard\uff01<\/div><div class=\"e-email\">Erreur de format d'e-mail !<\/div><div class=\"e-tel\">Erreur de format\uff01<\/div><\/div><\/div><input type=\"hidden\" name=\"trp-form-language\" value=\"fr\"\/><\/form><\/div><div class=\"wp_clear\"><\/div><\/div><div class=\"themepark-comment_in_b\" style=\"opacity:1;undefined0\"><\/div><\/div><\/div><div class=\"wp_clear\"><\/div><\/div>\n\n\n\n<style>\n  \/* --- 1. \u5bb9\u5668\u5916\u89c2\uff1a\u5361\u7247\u9634\u5f71\u6548\u679c --- *\/\n  .faq-container {\n    max-width: 666px;\n    margin: 0 auto;\n    background-color: #fff;\n    padding: 20px;\n    border-radius: 8px;\n    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1); \/* \u9634\u5f71\u66f4\u660e\u663e\u4e00\u70b9 *\/\n    box-sizing: border-box;\n    font-family: -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, \"Helvetica Neue\", Arial, sans-serif;\n  }\n\n  \/* --- 2. \u6bcf\u4e00\u884c\u7684\u5206\u5272\u7ebf --- *\/\n  .faq-item {\n    border-bottom: 1px solid #eee;\n    margin-bottom: 0;\n  }\n  .faq-item:last-child {\n    border-bottom: none; \/* \u6700\u540e\u4e00\u9879\u4e0d\u8981\u7ebf *\/\n  }\n\n  \/* --- 3. \u95ee\u9898\u6807\u9898\u6837\u5f0f --- *\/\n  .faq-question {\n    font-weight: 600;\n    cursor: pointer;\n    padding: 18px 10px; \/* \u589e\u52a0\u70b9\u51fb\u533a\u57df *\/\n    display: flex;\n    justify-content: space-between; \/* \u5de6\u53f3\u4e24\u7aef\u5bf9\u9f50 *\/\n    align-items: center;\n    color: #333;\n    font-size: 16px;\n    transition: color 0.3s ease;\n    user-select: none; \/* \u9632\u6b62\u9009\u4e2d\u6587\u5b57 *\/\n    position: relative;\n  }\n  \n  .faq-question:hover {\n    color: #007bff; \/* \u9f20\u6807\u60ac\u505c\u53d8\u84dd *\/\n  }\n\n  \/* --- 4. \u53f3\u4fa7\u52a0\u51cf\u53f7\u56fe\u6807 --- *\/\n  .faq-question::after {\n    content: '+';\n    font-size: 20px;\n    color: #007bff;\n    font-weight: normal;\n    transition: transform 0.3s ease;\n    margin-left: 15px;\n    line-height: 1;\n  }\n\n  \/* --- 5. \u6fc0\u6d3b\u72b6\u6001\uff1a\u56fe\u6807\u65cb\u8f6c\u4e14\u6807\u9898\u53d8\u8272 --- *\/\n  .faq-question.active {\n    color: #007bff;\n  }\n  .faq-question.active::after {\n    transform: rotate(45deg); \/* \u65cb\u8f6c\u53d8\u6210 X *\/\n  }\n\n  \/* --- 6. \u7b54\u6848\u533a\u57df\u6837\u5f0f --- *\/\n  .faq-answer {\n    \/* \u6838\u5fc3\uff1a\u9ed8\u8ba4\u9690\u85cf\uff0c\u9ad8\u5ea6\u4e3a0\uff0c\u65b9\u4fbf\u505a\u52a8\u753b\uff08\u5982\u679c\u9700\u8981\uff09 *\/\n    display: none;\n    padding: 0 10px 20px 10px; \/* \u4e0a0\uff0c\u5de6\u53f310\uff0c\u4e0b20 *\/\n    color: #666;\n    line-height: 1.7;\n    font-size: 14px;\n    animation: slideDown 0.3s ease-out; \/* \u6dfb\u52a0\u8f7b\u5fae\u7684\u51fa\u73b0\u52a8\u753b *\/\n  }\n  \n  \/* --- 7. \u663e\u793a\u72b6\u6001 --- *\/\n  .faq-answer.show {\n    display: block !important; \/* \u5f3a\u5236\u663e\u793a *\/\n  }\n\n  \/* \u7b80\u5355\u7684\u6de1\u5165\u52a8\u753b *\/\n  @keyframes slideDown {\n    from { opacity: 0; transform: translateY(-5px); }\n    to { opacity: 1; transform: translateY(0); }\n  }\n<\/style>\n\n<!-- HTML \u7ed3\u6784\uff1a\u4fdd\u6301\u4f7f\u7528\u4e86 onclick \u7ed1\u5b9a\u7684\u7ed3\u6784 -->\n<div class=\"faq-container\">\n\n  <div class=\"faq-item\">\n    <div class=\"faq-question\" onclick=\"toggleFaq(this)\">\n      Q1 : A quelles marques de grues \u00e0 tour votre couronne d'orientation peut-elle convenir ?\n    <\/div>\n    <div class=\"faq-answer\">\n      Nos produits sont conformes aux normes internationales et peuvent s'adapter aux besoins de remplacement de la plupart des grandes marques de grues \u00e0 tour sur le march\u00e9, telles que Botan, Liebherr et Zoomlian. Il suffit de fournir l'espacement des trous d'installation, le diam\u00e8tre et le nombre de dents des anciennes pi\u00e8ces pour que nous puissions les adapter avec pr\u00e9cision.\n    <\/div>\n  <\/div>\n\n  <div class=\"faq-item\">\n    <div class=\"faq-question\" onclick=\"toggleFaq(this)\">\n      Q2 : Comment d\u00e9terminer si le roulement d'orientation doit \u00eatre remplac\u00e9 ?\n    <\/div>\n    <div class=\"faq-answer\">\n      Lorsque le jeu axial ou radial mesur\u00e9 est plus de 4 fois sup\u00e9rieur \u00e0 la valeur standard de l'usine, ou que le fonctionnement s'accompagne d'un bruit anormal grave et d'un blocage, et qu'il ne peut \u00eatre am\u00e9lior\u00e9 apr\u00e8s lubrification, cela signifie g\u00e9n\u00e9ralement que le chemin de roulement a \u00e9t\u00e9 gravement us\u00e9 ou qu'il doit \u00eatre arr\u00eat\u00e9 imm\u00e9diatement et remplac\u00e9.\n    <\/div>\n  <\/div>\n\n  <div class=\"faq-item\">\n    <div class=\"faq-question\" onclick=\"toggleFaq(this)\">\n      Q3 : Quelle est la diff\u00e9rence entre les mat\u00e9riaux 42CrMo et 50Mn, lequel dois-je choisir ?\n    <\/div>\n    <div class=\"faq-answer\">\n      Le mat\u00e9riau 50Mn est rentable et convient aux grues \u00e0 tour de petit et moyen tonnage ; le mat\u00e9riau 42CrMo pr\u00e9sente une meilleure trempabilit\u00e9 et une meilleure r\u00e9sistance aux chocs, une plus grande force, et convient mieux aux grues \u00e0 tour lourdes ou aux zones froides, \u00e0 l'environnement soumis \u00e0 la charge du vent. Si vous recherchez une dur\u00e9e de vie plus longue, il est recommand\u00e9 de choisir le 42CrMo.\n    <\/div>\n  <\/div>\n\n  <div class=\"faq-item\">\n    <div class=\"faq-question\" onclick=\"toggleFaq(this)\">\n      Q4 : Quelle est la dur\u00e9e de la garantie de votre produit ?\n    <\/div>\n    <div class=\"faq-answer\">\n      Slewbearingtec offre une garantie de qualit\u00e9 de 12 mois \u00e0 partir de la date de livraison pour tous les produits de roulements de grue \u00e0 tour. Pendant la p\u00e9riode de garantie, si la d\u00e9faillance est due \u00e0 des d\u00e9fauts mat\u00e9riels ou \u00e0 des probl\u00e8mes de processus de fabrication, nous fournirons des services de remplacement ou de r\u00e9paration gratuits.\n    <\/div>\n  <\/div>\n\n  <div class=\"faq-item\">\n    <div class=\"faq-question\" onclick=\"toggleFaq(this)\">\n     Q5 : Pourquoi la couronne d'orientation fuit-elle l'huile peu apr\u00e8s son utilisation ?\n    <\/div>\n    <div class=\"faq-answer\">\n      Les fuites d'huile sont g\u00e9n\u00e9ralement dues au vieillissement et \u00e0 l'endommagement de la bande d'\u00e9tanch\u00e9it\u00e9 ou \u00e0 une pression d'injection d'huile excessive qui ouvre la l\u00e8vre d'\u00e9tanch\u00e9it\u00e9. Nos produits utilisent des bandes d'\u00e9tanch\u00e9it\u00e9 renforc\u00e9es, mais il est recommand\u00e9 aux utilisateurs de contr\u00f4ler la pression lors de l'injection d'huile, de v\u00e9rifier l'int\u00e9grit\u00e9 des joints lors de l'entretien quotidien et de les remplacer \u00e0 temps s'ils sont endommag\u00e9s.\n    <\/div>\n  <\/div>\n\n  <div class=\"faq-item\">\n    <div class=\"faq-question\" onclick=\"toggleFaq(this)\">\n     Q6 : Lors du remplacement de la couronne d'orientation, les boulons \u00e0 haute r\u00e9sistance correspondants doivent-ils \u00eatre remplac\u00e9s ensemble ?\n    <\/div>\n    <div class=\"faq-answer\">\n       Ils doivent \u00eatre remplac\u00e9s ensemble. Les anciens boulons ont subi un \u00e9tirement et une fatigue au cours de leur utilisation, et une utilisation r\u00e9p\u00e9t\u00e9e est susceptible de se rompre, ce qui peut avoir des cons\u00e9quences catastrophiques. 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\/* \u80cc\u666f\u900f\u660e\uff0c\u53ea\u4f9d\u9760\u4f2a\u5143\u7d20\u6765\u663e\u793a\u7ebf\u6761 *\/\n}\n\n.line-effect::after {\n  content: '';\n  position: absolute;\n  left: 0;\n  top: 0;\n  width: 0; \/* \u521d\u59cb\u5bbd\u5ea6\u4e3a0\uff0c\u4e0d\u663e\u793a *\/\n  height: 100%; \/* \u4e0e\u7236\u5143\u7d20\u9ad8\u5ea6\u4e00\u81f4 *\/\n  background-color:  #007bff; \/* \u7ebf\u6761\u989c\u8272 *\/\n  transition: width 0.3s ease-out; \/* \u5bbd\u5ea6\u8fc7\u6e21\uff0c\u4f7f\u7528 ease-out \u53ef\u4ee5\u8ba9\u52a8\u753b\u66f4\u5e73\u6ed1 *\/\n}\n\n\/* \u5f53\u9f20\u6807\u60ac\u505c\u5728 .informationFL \u4e0a\u65f6\uff0c\u6539\u53d8 .line-effect::after \u7684\u5bbd\u5ea6 *\/\n.informationFL:hover .line-effect::after {\n  width: 100%; \/* \u5ef6\u4f38\u5230100% *\/\n}\n\n.productArenqun:hover .line-effect::after {\n  width: 100%; \/* \u5ef6\u4f38\u5230100% *\/\n}\n.productAform2fq{\n\t\n\ttransform: translateY(-10px) rotateX(5deg); \/* \u5411\u4e0a\u79fb\u52a8 10px \u5e76\u7ed5 X \u8f74\u65cb\u8f6c 5 \u5ea6 *\/\n  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.25); \/* \u589e\u52a0\u9634\u5f71\u6df1\u5ea6\uff0c\u6a21\u62df\u7fd8\u8d77\u540e\u7684\u5149\u7167\u53d8\u5316 *\/\nborder-radius:6px;\n}\n}\n.productsAforms1 #tpcommet0{\n\tmargin-bottom:2em\n}\n.productsAforms1 #tpcommet2{\n\tmargin-bottom:2em\n}\n.productsAforms1 #tpcommet4{\n\tmargin-bottom:2em\n}\n.productArenqunlogo{\n:-3em!important;\n}\n.productAinstall1{\n\t  box-shadow: 0 0 10px rgba(0, 0, 0, 0.2); \/* \u56db\u5468\u9634\u5f71 *\/\n\tborder-radius:12px;\n}\n.productAmainimage img{\n\t\n\t \u00a0box-shadow: 0 0 10px rgba(0, 0, 0, 1)!important; \/* \u56db\u5468\u9634\u5f71 *\/\n    border-radius: 12px;\n}\n.productArenqun{\n\t padding-left:0; \n    padding-right:0;\n}\n.productAFAQ{\n\t box-shadow: 0 0 10px rgba(0, 0, 0, 0.2); \/* \u56db\u5468\u9634\u5f71 *\/\n\tborder-radius:12px;\n\tpadding-left:0; \n    padding-right:0;\n}\n.productsAformsbackground1{\n\t box-shadow: 0 0 10px rgba(0, 0, 0, 0.2); \/* \u56db\u5468\u9634\u5f71 *\/\n\tborder-radius:12px;\n}\n\n.productAcharacter{\n\t box-shadow: 0 0 10px rgba(0, 0, 0, 0.1); \/* \u56db\u5468\u9634\u5f71 *\/\n\tborder-radius:8px;\n}\n.productAduibidian{\n\t\t box-shadow: 0 0 10px rgba(0, 0, 0, 0.1); \/* \u56db\u5468\u9634\u5f71 *\/\n\tborder-radius:8px;\n}\n<\/style>\n\n\n\n<aside id=\"auto-toc-sidebar\"><\/aside>\n<style>\n#auto-toc-sidebar {\n  position: fixed;\n  left: 0;\n  width: 100%;\n  height: 82px;\n  background: #ffffff;\n\n\n  border-bottom: 1px solid #e6e6e6;\n\n  \/* \u5c42\u7ea7\u4e00\u5b9a\u8981\u538b\u8fc7 header *\/\n  z-index: 9999999999;\n\n  \/* \u521d\u59cb\u9690\u85cf\u5728\u9876\u90e8 *\/\n  transform: translateY(-233%);\n  transition: transform 0.28s ease;\n\n  display: flex;\n  align-items: center;\n\n  box-sizing: border-box;\n  padding: 0 24px;\n\n  \/* \u9632\u6b62\u5185\u5bb9\u88ab\u9009\u4e2d\u6296\u52a8 *\/\n  user-select: none;\n}\n\n\/* \u6eda\u52a8\u540e\u663e\u793a *\/\n#auto-toc-sidebar.show {\n  transform: translateY(-100%);\n}\n\n\/* ======================================================\n   \u6a2a\u5411 Tab \u5217\u8868\n   ====================================================== *\/\n\n#auto-toc-list {\n  display: flex;\n  align-items: center;\n  gap: 32px;\n\n  list-style: none;\n  margin: 0;\n  padding: 0;\n\n  \/* \u6a2a\u5411\u6ea2\u51fa\u53ef\u6eda\u52a8 *\/\n  overflow-x: auto;\n  overflow-y: hidden;\n  white-space: nowrap;\n\n  width: 100%;\n  height: 100%;\n}\n\n\/* \u9690\u85cf\u6eda\u52a8\u6761\uff08\u4f01\u4e1a\u7ad9\u6807\u914d\uff09 *\/\n#auto-toc-list::-webkit-scrollbar {\n  display: none;\n}\n\n\/* ======================================================\n   \u5355\u4e2a Tab\n   ====================================================== *\/\n\n#auto-toc-list li {\n  flex-shrink: 0;\n  height: 100%;\n  display: flex;\n  align-items: center;\n}\n\n\/* \u94fe\u63a5\u6837\u5f0f *\/\n#auto-toc-list a {\n  position: relative;\n  display: inline-flex;\n  align-items: 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display: none;\n  }\n}\n\n<\/style>\n<script>\ndocument.addEventListener('DOMContentLoaded', function () {\n\n  \/* ===============================\n   * 1. \u5f3a\u5236\u628a TOC \u632a\u5230 body \u4e0b\uff08\u5173\u952e\uff09\n   * =============================== *\/\n  const toc = document.getElementById('auto-toc-sidebar');\n  if (!toc) return;\n\n  if (toc.parentElement !== document.body) {\n    document.body.appendChild(toc);\n  }\n\n  \/* ===============================\n   * 2. \u52a8\u6001\u83b7\u53d6\u771f\u5b9e Header \u9ad8\u5ea6\n   * =============================== *\/\n  function getHeaderHeight() {\n    const candidates = [\n      'header',\n      '.site-header',\n      '.main-header',\n      '.sticky-header',\n      '.header-wrapper',\n      '.top-navigation'\n    ];\n\n    let maxHeight = 0;\n\n    candidates.forEach(sel => {\n      const el = document.querySelector(sel);\n      if (!el) return;\n\n      const rect = el.getBoundingClientRect();\n      if (rect.height 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observer.observe(e.heading));\n\n  \/* ===============================\n   * 7. \u70b9\u51fb\u6eda\u52a8\uff08\u7edd\u4e0d\u88ab Header \u906e\u6321\uff09\n   * =============================== *\/\n  ul.addEventListener('click', e => {\n    if (e.target.tagName !== 'A') return;\n    e.preventDefault();\n\n    const target = document.querySelector(e.target.getAttribute('href'));\n    if (!target) return;\n\n    const offset =\n      getHeaderHeight() +\n      toc.offsetHeight +\n      10;\n\n    const top =\n      target.getBoundingClientRect().top +\n      window.pageYOffset -\n      offset;\n\n    window.scrollTo({\n      top,\n      behavior: 'smooth'\n    });\n  });\n\n});\n<\/script>\n\n\n\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block\" id=\"\" style=\"\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in\" style=\"\">\n<div class=\"wp-block-column block_layout_in\">\n<style>\n.review-container {\n    max-width: 700px;\n    margin: 40px auto;\n    font-family: -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, \"Helvetica Neue\", Arial, sans-serif;\n}\n\n.review-form {\n    background: #ffffff;\n    padding: 35px;\n    border-radius: 16px;\n    box-shadow: 0 4px 20px rgba(0,0,0,0.06);\n    margin-bottom: 40px;\n}\n\n.review-form h3 {\n    margin: 0 0 25px 0;\n    color: #1a1a1a;\n    font-size: 22px;\n    font-weight: 600;\n}\n\n.form-group {\n    margin-bottom: 24px;\n}\n\n.form-group label {\n    display: block;\n    margin-bottom: 10px;\n    color: #333;\n    font-weight: 500;\n    font-size: 14px;\n}\n\n.required {\n    color: #e74c3c;\n    margin-left: 2px;\n}\n\n\/* Star rating - more elegant *\/\n.star-rating {\n    display: inline-flex;\n    gap: 6px;\n    font-size: 36px;\n    padding: 8px 0;\n}\n\n.star {\n    cursor: pointer;\n    color: #e0e0e0;\n    transition: all 0.15s ease;\n    user-select: none;\n    line-height: 1;\n}\n\n.star:hover {\n    transform: scale(1.15);\n    color: #ffc107;\n}\n\n.star.active {\n    color: #ffc107;\n}\n\n\/* Comment input - cleaner design *\/\n.comment-input {\n    width: 100%;\n    padding: 14px 16px;\n    border: 1.5px solid #e8e8e8;\n    border-radius: 10px;\n    font-size: 15px;\n    font-family: inherit;\n    resize: vertical;\n    min-height: 110px;\n    transition: all 0.2s;\n    box-sizing: border-box;\n    line-height: 1.5;\n}\n\n.comment-input:focus {\n    outline: none;\n    border-color: var(--wp--preset--color--primary, #0073aa);\n    box-shadow: 0 0 0 3px rgba(0, 115, 170, 0.1);\n}\n\n.comment-input::placeholder {\n    color: #999;\n}\n\n\/* Captcha - modern card style *\/\n.captcha-group {\n    display: none;\n    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);\n    padding: 24px;\n    border-radius: 12px;\n    margin-bottom: 24px;\n    border: none;\n}\n\n.captcha-group.active {\n    display: block;\n    animation: slideDown 0.3s ease;\n}\n\n@keyframes slideDown {\n    from {\n        opacity: 0;\n        transform: translateY(-10px);\n    }\n    to {\n        opacity: 1;\n        transform: translateY(0);\n    }\n}\n\n.captcha-question {\n    font-size: 17px;\n    color: #2c3e50;\n    margin-bottom: 14px;\n    font-weight: 600;\n}\n\n.captcha-input {\n    width: 100%;\n    max-width: 120px;\n    padding: 10px 14px;\n    border: 1.5px solid #ced4da;\n    border-radius: 8px;\n    font-size: 16px;\n    box-sizing: border-box;\n    transition: all 0.2s;\n    text-align: center;\n    font-weight: 500;\n}\n\n.captcha-input:focus {\n    outline: none;\n    border-color: var(--wp--preset--color--primary, #0073aa);\n    box-shadow: 0 0 0 3px rgba(0, 115, 170, 0.1);\n}\n\n\/* Buttons - unified theme-adaptive style *\/\n.btn {\n    border: none;\n    padding: 13px 32px;\n    border-radius: 10px;\n    font-size: 15px;\n    font-weight: 600;\n    cursor: pointer;\n    transition: all 0.2s ease;\n    display: inline-block;\n}\n\n.submit-btn,\n.verify-btn {\n    background: var(--wp--preset--color--primary, #0073aa);\n    color: #ffffff;\n}\n\n.submit-btn:hover,\n.verify-btn:hover {\n    opacity: 0.9;\n    transform: translateY(-1px);\n    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);\n}\n\n.submit-btn:disabled,\n.verify-btn:disabled {\n    background: #d0d0d0;\n    cursor: not-allowed;\n    transform: none;\n    box-shadow: none;\n    opacity: 1;\n}\n\n.submit-btn.hidden {\n    display: none;\n}\n\n.verify-btn {\n    display: none;\n}\n\n.verify-btn.active {\n    display: inline-block;\n}\n\n\/* Message alerts - softer design *\/\n.message {\n    padding: 14px 18px;\n    border-radius: 10px;\n    margin-bottom: 20px;\n    display: none;\n    font-size: 14px;\n    font-weight: 500;\n}\n\n.message.success {\n    background: #d1f2eb;\n    color: #0c5e47;\n    border: 1px solid #a7e6d7;\n}\n\n.message.error {\n    background: #f8d7da;\n    color: #842029;\n    border: 1px solid #f1aeb5;\n}\n\n\/* Reviews list - minimal & clean *\/\n.reviews-list {\n    margin-top: 50px;\n}\n\n.reviews-list h3 {\n    color: #1a1a1a;\n    margin-bottom: 24px;\n    font-size: 20px;\n    font-weight: 600;\n}\n\n.review-item {\n    background: #ffffff;\n    padding: 24px;\n    border-radius: 14px;\n    box-shadow: 0 2px 10px rgba(0,0,0,0.04);\n    margin-bottom: 16px;\n    border: 1px solid #f0f0f0;\n    transition: all 0.2s;\n}\n\n.review-item:hover {\n    box-shadow: 0 4px 16px rgba(0,0,0,0.08);\n    transform: translateY(-2px);\n}\n\n.review-header {\n    display: flex;\n    justify-content: space-between;\n    align-items: center;\n    margin-bottom: 12px;\n}\n\n.review-stars {\n    color: #ffc107;\n    font-size: 16px;\n    letter-spacing: 2px;\n}\n\n.review-date {\n    color: #999;\n    font-size: 13px;\n}\n\n.review-comment {\n    color: #444;\n    line-height: 1.7;\n    font-size: 15px;\n}\n\n.no-reviews {\n    text-align: center;\n    color: #999;\n    padding: 50px 20px;\n    background: #fafafa;\n    border-radius: 14px;\n    font-size: 15px;\n}\n\n.loading {\n    text-align: center;\n    color: #999;\n    padding: 30px;\n    font-size: 15px;\n}\n\n\/* Responsive *\/\n@media (max-width: 600px) {\n    .review-form,\n    .review-item {\n        padding: 24px 20px;\n    }\n    \n    .star-rating {\n        font-size: 32px;\n    }\n    \n    .review-form h3 {\n        font-size: 20px;\n    }\n}\n<\/style>\n\n<div class=\"review-container\">\n    <!-- Review form -->\n    <div class=\"review-form\">\n        <h3><span class=\"ez-toc-section\" id=\"Submit_Your_Review\"><\/span>Soumettre votre avis<span class=\"ez-toc-section-end\"><\/span><\/h3>\n        \n        <div class=\"message\" id=\"message\"><\/div>\n        \n        <form id=\"reviewForm\" action=\"\">\n            <div class=\"form-group\">\n                <label>Evaluation<span class=\"required\">*<\/span><\/label>\n                <div class=\"star-rating\" id=\"starRating\">\n                    <span class=\"star\" data-rating=\"1\">\u2605<\/span>\n        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Slewbearingtec is a source factory with full-process manufacturing capabilities, eliminating trade differentials, supporting single-piece customization and mass production, and providing you with competitive direct selling prices and traceable quality assurance."],"product_parameter1":["Inner and outer ring material"],"product_parameter2":["Raceway quenching hardness"],"product_parameter3":["Effective hardening layer depth"],"product_parameter_description1":["42CrMo \/ 50Mn forged steel"],"product_parameter_description2":["55-62 HRC"],"product_parameter_description3":["3.5mm."],"characteristics_tittle":["Tower Crane Slewing Ring Characteristics"],"characteristics_tittle1":["Optimized heat treatment process of raceway"],"characteristics_tittle2":["High impact gear design"],"characteristics_tittle3":["Precision Grinding Reduces Gap Wear"],"characteristics_tittle4":["Reinforced sealing system"],"characteristics_tittle5":["Strict inspection of raw materials"],"characteristics_tittle6":["Comprehensive anti-corrosion coating"],"characteristics_description1":["Using medium frequency induction heating quenching technology, the raceway hardness is strictly controlled between 55-62 HRC, and the depth of the hardened layer is more than 3.5mm. This process effectively prevents the peeling and plastic deformation of the raceway under high stress contact, and the fatigue life is extended by more than 40% compared with ordinary surface quenching products."],"characteristics_description2":["In view of the huge inertial impact of the tower crane rotation, we carry out the gear tooth surface quenching or quenching and tempering treatment. By optimizing the root fillet radius and tooth shape correction, the tooth surface stress concentration is eliminated, and the risk of tooth breakage can be reduced to less than 0.1% even under the maximum wind load and emergency stop conditions."],"characteristics_description3":["All tower crane slewing bearings are precision ground before leaving the factory to control the axial and radial clearance within half of the industry standard tolerance. The high-precision coordination significantly reduces the swing amplitude of the tower arm, improves the positioning accuracy of the lifting operation, and reduces the damage of the impact load to the internal ball."],"characteristics_description4":["Considering that the tower crane works in the open air, dusty and high humidity environment all the year round, we are equipped with anti-aging double lip sealing strip. The design can effectively prevent rainwater and construction dust from invading the raceway, prevent the loss of grease, extend the maintenance cycle from once a week to once every two weeks, and greatly reduce maintenance costs."],"characteristics_description5":["Each forging blank passes 100% ultrasonic flaw detection before processing to ensure that there are no defects such as cracks, pores or slag inclusions in the material. From the source, the catastrophic structural failure caused by material fatigue is eliminated, and the structural safety of the tower crane in the whole life cycle is guaranteed."],"characteristics_description6":["The outer surface adopts the double protection system of epoxy zinc rich primer and polyurethane topcoat, and the thickness of the paint film exceeds 120 microns. After 480 hours of salt spray testing, the coating can effectively resist acid rain and marine atmospheric corrosion, ensuring the long-term durability of the product in coastal or industrial pollution areas."],"detailed_specifications_table":["Tower Crane Slewing Ring Detailed Specifications"],"application_title":["Tower Crane Slewing Ring applicable crowd"],"application_describe1":["For leasing companies with a large number of tower cranes, asset preservation and low failure rate of equipment are the core demands. The high durability of this product reduces the frequency of replacement, can adapt to the complex working conditions of different construction sites, and reduces the maintenance cost of the whole life cycle. It is an ideal choice for the renewal of parts for the rental fleet."],"application_describe2":["Professional service providers need replacement parts that are accurate in size and easy to install. Our tower crane slewing bearing strictly follows OEM size standards, precise tolerance control, and can be directly installed without on-site secondary processing, helping service providers to shorten maintenance downtime and improve customer satisfaction."],"application_describe3":["The port portal crane has high working intensity and high requirements for corrosion resistance and continuous operation ability. For such users, we provide support products with enhanced anti-corrosion coating and heavy-duty design to ensure long-term stable rotation performance in salt spray environment and reduce logistics delays caused by downtime and maintenance."],"application_title1":["Construction crane leasing company"],"application_title2":["Tower crane maintenance and remanufacturing service provider"],"application_title3":["Port and Terminal Operating Unit"],"application_title4":["large steel structure construction enterprise"],"application_describe4":["In the lifting of high-rise steel structure, the accuracy of the position is very high. The low clearance design of this product significantly improves the positioning stability of the hook, helps the construction enterprise to be more handy in the docking of precision components, and improves the construction efficiency and safety."],"faq_question1":["Q1: Which brands of tower crane can your tower crane slewing bearing be suitable?"],"faq_question2":["Q2: How to judge whether the slewing bearing needs to be replaced?"],"faq_question3":["Q3: What is the difference between 42CrMo and 50Mn materials, which one should I choose?"],"faq_question4":["Q4: How long is your product warranty?"],"faq_question5":["Q5: Why does the slewing bearing leak oil soon after use?"],"faq_question6":["Q6: When replacing the slewing bearing, do the matching high-strength bolts need to be replaced together?"],"faq_answer1":["Our products follow the international standard size design and can adapt to the replacement needs of most mainstream brands of tower cranes on the market, such as Botan, Liebherr and Zoomlian. We only need to provide the installation hole spacing, diameter and number of teeth of the old parts, and we can match them accurately"],"faq_answer2":["When the measured axial or radial clearance is more than 4 times of the factory standard value, or the operation is accompanied by serious abnormal noise and jamming, and cannot be improved after lubrication, it usually means that the raceway has been severely worn or It must be stopped immediately and replaced."],"faq_answer3":["50Mn material cost-effective, suitable for small and medium tonnage tower crane; 42CrMo material has better hardenability and impact toughness, higher strength, more suitable for heavy tower crane or cold areas, wind load environment. If you are looking for a longer service life, it is recommended to choose 42CrMo."],"faq_answer4":["Slewbearingtec for all tower crane slewing bearing products to provide 12 months of quality assurance from the date of delivery. During the warranty period, if the failure is caused by material defects or manufacturing process problems, we will provide free replacement or repair services."],"faq_answer5":["Oil leakage is usually caused by aging and damage of the sealing strip or excessive oil injection pressure to open the sealing lip. Our products use reinforced sealant strips, but it is recommended that users control the pressure during oil injection, and check the integrity of the seals during daily maintenance, and replace them in time if they are damaged."],"faq_answer6":["Must be replaced together. Old bolts have experienced stretching and fatigue during use, and repeated use is prone to fracture, leading to catastrophic consequences. We strongly recommend that a complete set of new 10.9 or 12.9 grade high strength bolts be replaced with a new bearing."],"product_parameter4":["Tooth structure"],"product_parameter5":["Gear accuracy class"],"product_parameter6":["Seal material"],"product_parameter7":["Outer diameter range"],"product_parameter8":["Delivery time"],"product_parameter9":[""],"product_parameter_description4":["internal gear\/external gear\/no tooth"],"product_parameter_description5":["ISO 7-8"],"product_parameter_description6":["nitrile rubber"],"product_parameter_description7":["800mm \u2013 3500mm"],"product_parameter_description8":["15 \u2013 25 days"],"product_parameter_description9":[""],"comparison_points_tittle":["Tower Crane Slewing Ring Comparison Point"],"comparison_points_tittle1":["Solving the problem of gear fracture under high-frequency operation"],"comparison_points_tittle2":["Solve internal rust sticking caused by bad weather"],"comparison_points_tittle3":["Solve the problem of excessive shaking after long-term use"],"comparison_points_description":["Compared with similar products using ordinary cast steel or simplified heat treatment process on the market, Slewbearingtec products have significant advantages in material purity and processing accuracy. The Slewbearingtec integral forging process ensures the integrity of the metal fiber flow lines, making the load-bearing capacity 30% higher than that of the cast ring body. At the same time, the negative clearance pretightening technology adopted by the Slewbearingtec effectively solves the shaking problem caused by the loose bearing of the tower crane in the early stage of use, and improves the control confidence of the operator."],"comparison_points_description1":["Ordinary slewing bearing in the tower crane frequently start braking, tooth root easily due to fatigue fracture. The Slewbearingtec improves the bending fatigue strength of the tooth root by shot peening and adopts the design of the variable gear, completely solves the hidden danger of tooth collapse under heavy load conditions, and ensures the safety of construction."],"comparison_points_description2":["In view of the problem that the tower crane support in coastal and rainy areas is prone to water corrosion, we have optimized the sealing groove structure and used special rubber sealing strips with strong weather resistance. This 1 improvement solves the pain points of ball corrosion and grease deterioration caused by water infiltration, and ensures that the mechanism can run smoothly in wet seasons."],"comparison_points_description3":["After 1 years of use of traditional products, the gap is often too large due to raceway wear, resulting in severe swing at the end of the tower arm. The Slewbearingtec uses a high-depth induction hardening layer to ensure that the wear rate is extremely low, and solves the pain point that the tower crane cannot pass the annual inspection or needs frequent adjustment and maintenance due to the increase of the gap."],"instruction_title":["Tower Crane Slewing Ring instructions for use"],"instruction_title1":["Stepwise Application of Bolt Preload"],"instruction_title2":["Regular grease replenishment schedule"],"instruction_title3":["Inspection of gear meshing clearance"],"instruction_title4":["Abnormal noise and operation condition monitoring"],"instruction_describe1":["During installation, it is strictly forbidden to tighten the bolts in place at one time. A torque wrench shall be used to gradually tighten the high-strength bolts in three times (30%, 80% and 100 torque) according to the diagonal principle to ensure that the bearing ring is evenly stressed and to prevent raceway deformation caused by installation stress."],"instruction_describe2":["It is recommended to add lithium grease to the raceway every 100 hours of work, and clean and oil the tooth surface every 300 hours of work. Slowly rotate the slewing bearing during oil filling until new grease overflows from the sealing band to ensure that the old grease and impurities are completely discharged."],"instruction_describe3":["After installation and after 100 hours of initial use, the meshing clearance between the pinion and the slewing ring gear must be checked. If the gap is too small, it will cause noise and abnormal wear, and if the gap is too large, it will cause impact. Be sure to adjust the position of the pinion to maintain the meshing backlash at each point in accordance with the technical requirements."],"instruction_describe4":["The operator should pay attention to the sound of the rotation every day. If there is a regular \u201cclick\u201d sound or metal grinding sound, stop the machine immediately for inspection. This is usually a precursor to raceway spalling or bolt loosening, and timely investigation can avoid serious overturning accidents."],"views":["175"],"_edit_lock":["1772185750:1"],"rank_math_schema_FAQPage":["a:7:{s:8:\"metadata\";a:5:{s:4:\"type\";s:8:\"template\";s:9:\"shortcode\";s:38:\"s-8e0786fe-d94a-44e9-8b6d-f54c580ae1f6\";s:9:\"isPrimary\";s:1:\"1\";s:5:\"title\";s:3:\"FAQ\";s:23:\"reviewLocationShortcode\";s:24:\"[rank_math_rich_snippet]\";}s:5:\"@type\";s:7:\"FAQPage\";s:4:\"name\";s:44:\"Tower Crane Slewing Ring Get Your Best Quote\";s:3:\"url\";s:5:\"%url%\";s:13:\"datePublished\";s:20:\"%date(Y-m-dTH:i:sP)%\";s:12:\"dateModified\";s:24:\"%modified(Y-m-dTH:i:sP)%\";s:10:\"mainEntity\";a:3:{i:0;a:3:{s:5:\"@type\";s:8:\"Question\";s:4:\"name\";s:101:\"When replacing the slewing bearing, do the matching high-strength bolts need to be replaced together?\";s:14:\"acceptedAnswer\";a:2:{s:5:\"@type\";s:6:\"Answer\";s:4:\"text\";s:285:\"Must be replaced together. Old bolts have experienced stretching and fatigue during use, and repeated use is prone to fracture, leading to catastrophic consequences. We strongly recommend that a complete set of new 10.9 or 12.9 grade high strength bolts be replaced with a new bearing.\";}}i:1;a:3:{s:5:\"@type\";s:8:\"Question\";s:4:\"name\";s:53:\"Why does the slewing bearing leak oil soon after use?\";s:14:\"acceptedAnswer\";a:2:{s:5:\"@type\";s:6:\"Answer\";s:4:\"text\";s:360:\"Oil leakage is usually caused by aging and damage of the sealing strip or excessive oil injection pressure to open the sealing lip. Our products use reinforced sealant strips, but it is recommended that users control the pressure during oil injection, and check the integrity of the seals during daily maintenance, and replace them in time if they are damaged.\";}}i:2;a:3:{s:5:\"@type\";s:8:\"Question\";s:4:\"name\";s:34:\"How long is your product warranty?\";s:14:\"acceptedAnswer\";a:2:{s:5:\"@type\";s:6:\"Answer\";s:4:\"text\";s:289:\"Slewbearingtec for all tower crane slewing bearing products to provide 12 months of quality assurance from the date of delivery. 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